* gcc.dg/c90-intconst-1.c, gcc.dg/c99-intconst-1.c: New tests.

From-SVN: r47215

3 files changed, 1406 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9b7c1f3..55e9b02 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2001-11-20  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+	* gcc.dg/c90-intconst-1.c, gcc.dg/c99-intconst-1.c: New tests.
+
 2001-11-20  Nick Clifton  <nickc@cambridge.redhat.com>
 
 	* gcc.c-torture/compile/981006-1.x: Treat XScale like ARM.
diff --git a/gcc/testsuite/gcc.dg/c90-intconst-1.c b/gcc/testsuite/gcc.dg/c90-intconst-1.c
new file mode 100644
index 0000000..de7371c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c90-intconst-1.c
@@ -0,0 +1,763 @@
+/* Test for integer constant types.  */
+
+/* Origin: Joseph Myers <jsm28@cam.ac.uk>.  */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
+
+#include <limits.h>
+
+/* Assertion that constant C is of type T.  */
+#define ASSERT_CONST_TYPE(C, T)			\
+	do {					\
+	  typedef T type;			\
+	  typedef type **typepp;		\
+	  typedef __typeof__((C)) ctype;	\
+	  typedef ctype **ctypepp;		\
+	  typepp x = 0;				\
+	  ctypepp y = 0;			\
+	  x = y;				\
+	  y = x;				\
+	} while (0)
+
+/* (T *) if E is zero, (void *) otherwise.  */
+#define type_if_not(T, E) __typeof__(0 ? (T *)0 : (void *)(E))
+
+/* (T *) if E is nonzero, (void *) otherwise.  */
+#define type_if(T, E) type_if_not(T, !(E))
+
+/* Combine pointer types, all but one (void *).  */
+#define type_comb2(T1, T2) __typeof__(0 ? (T1)0 : (T2)0)
+#define type_comb3(T1, T2, T3) type_comb2(T1, type_comb2(T2, T3))
+#define type_comb4(T1, T2, T3, T4)				\
+	type_comb2(T1, type_comb2(T2, type_comb2(T3, T4)))
+
+/* (T1 *) if E1, otherwise (T2 *) if E2.  */
+#define first_of2p(T1, E1, T2, E2) type_comb2(type_if(T1, (E1)),	   \
+					     type_if(T2, (!(E1) && (E2))))
+/* (T1 *) if E1, otherwise (T2 *) if E2, otherwise (T3 *) if E3.  */
+#define first_of3p(T1, E1, T2, E2, T3, E3)			\
+	type_comb3(type_if(T1, (E1)),				\
+		   type_if(T2, (!(E1) && (E2))),		\
+		   type_if(T3, (!(E1) && !(E2) && (E3))))
+/* (T1 *) if E1, otherwise (T2 *) if E2, otherwise (T3 *) if E3, otherwise
+   (T4 *) if E4.  */
+#define first_of4p(T1, E1, T2, E2, T3, E3, T4, E4)			\
+	type_comb4(type_if(T1, (E1)),					\
+		   type_if(T2, (!(E1) && (E2))),			\
+		   type_if(T3, (!(E1) && !(E2) && (E3))),		\
+		   type_if(T4, (!(E1) && !(E2) && !(E3) && (E4))))
+
+/* Likewise, but return the original type rather than a pointer type.  */
+#define first_of2(T1, E1, T2, E2)			\
+	__typeof__(*((first_of2p(T1, (E1), T2, (E2)))0))
+#define first_of3(T1, E1, T2, E2, T3, E3)				\
+	__typeof__(*((first_of3p(T1, (E1), T2, (E2), T3, (E3)))0))
+#define first_of4(T1, E1, T2, E2, T3, E3, T4, E4)			    \
+	__typeof__(*((first_of4p(T1, (E1), T2, (E2), T3, (E3), T4, (E4)))0))
+
+/* Types of constants according to the C90 rules.  */
+#define C90_UNSUF_DEC_TYPE(C)				\
+	first_of3(int, (C) <= INT_MAX,			\
+		  long int, (C) <= LONG_MAX,		\
+		  unsigned long int, (C) <= ULONG_MAX)
+#define C90_UNSUF_OCTHEX_TYPE(C)			\
+	first_of4(int, (C) <= INT_MAX,			\
+		  unsigned int, (C) <= UINT_MAX,	\
+		  long int, (C) <= LONG_MAX,		\
+		  unsigned long int, (C) <= ULONG_MAX)
+#define C90_SUFu_TYPE(C)				\
+	first_of2(unsigned int, (C) <= UINT_MAX,	\
+		  unsigned long int, (C) <= ULONG_MAX)
+#define C90_SUFl_TYPE(C)				\
+	first_of2(long int, (C) <= LONG_MAX,		\
+		  unsigned long int, (C) <= ULONG_MAX)
+
+/* Checks that constants have correct type.  */
+#define CHECK_UNSUF_DEC_TYPE(C) ASSERT_CONST_TYPE((C), C90_UNSUF_DEC_TYPE((C)))
+#define CHECK_UNSUF_OCTHEX_TYPE(C)				\
+	ASSERT_CONST_TYPE((C), C90_UNSUF_OCTHEX_TYPE((C)))
+#define CHECK_SUFu_TYPE(C) ASSERT_CONST_TYPE((C), C90_SUFu_TYPE((C)))
+#define CHECK_SUFl_TYPE(C) ASSERT_CONST_TYPE((C), C90_SUFl_TYPE((C)))
+#define CHECK_SUFul_TYPE(C) ASSERT_CONST_TYPE((C), unsigned long int)
+
+/* Check a decimal value, with all suffixes.  */
+#define CHECK_DEC_CONST(C)			\
+	CHECK_UNSUF_DEC_TYPE(C);		\
+	CHECK_SUFu_TYPE(C##u);			\
+	CHECK_SUFu_TYPE(C##U);			\
+	CHECK_SUFl_TYPE(C##l);			\
+	CHECK_SUFl_TYPE(C##L);			\
+	CHECK_SUFul_TYPE(C##ul);		\
+	CHECK_SUFul_TYPE(C##uL);		\
+	CHECK_SUFul_TYPE(C##Ul);		\
+	CHECK_SUFul_TYPE(C##UL);
+
+/* Check an octal or hexadecimal value, with all suffixes.  */
+#define CHECK_OCTHEX_CONST(C)			\
+	CHECK_UNSUF_OCTHEX_TYPE(C);		\
+	CHECK_SUFu_TYPE(C##u);			\
+	CHECK_SUFu_TYPE(C##U);			\
+	CHECK_SUFl_TYPE(C##l);			\
+	CHECK_SUFl_TYPE(C##L);			\
+	CHECK_SUFul_TYPE(C##ul);		\
+	CHECK_SUFul_TYPE(C##uL);		\
+	CHECK_SUFul_TYPE(C##Ul);		\
+	CHECK_SUFul_TYPE(C##UL);
+
+#define CHECK_OCT_CONST(C) CHECK_OCTHEX_CONST(C)
+#define CHECK_HEX_CONST(C)			\
+	CHECK_OCTHEX_CONST(0x##C);		\
+	CHECK_OCTHEX_CONST(0X##C);
+
+/* True iff "long" is at least B bits.  This presumes that (B-2)/3 is at
+   most 31.  */
+#define LONG_AT_LEAST(B)						\
+	(LONG_MAX >> ((B)-2)/3 >> ((B)-2)/3 >> ((B)-2 - ((B)-2)/3 - ((B)-2)/3))
+
+#define LONG_HAS_BITS(B) (LONG_AT_LEAST((B)) && !LONG_AT_LEAST((B) + 1))
+
+/* Decimal values that are large enough to be unsigned.  Allow for up to
+   64 bits in long.  */
+#if LONG_HAS_BITS(32)
+#define LARGE_UNSIGNED_DECIMAL 2147483648
+#endif
+#if LONG_HAS_BITS(33)
+#define LARGE_UNSIGNED_DECIMAL 4294967296
+#endif
+#if LONG_HAS_BITS(34)
+#define LARGE_UNSIGNED_DECIMAL 8589934592
+#endif
+#if LONG_HAS_BITS(35)
+#define LARGE_UNSIGNED_DECIMAL 17179869184
+#endif
+#if LONG_HAS_BITS(36)
+#define LARGE_UNSIGNED_DECIMAL 34359738368
+#endif
+#if LONG_HAS_BITS(37)
+#define LARGE_UNSIGNED_DECIMAL 68719476736
+#endif
+#if LONG_HAS_BITS(38)
+#define LARGE_UNSIGNED_DECIMAL 137438953472
+#endif
+#if LONG_HAS_BITS(39)
+#define LARGE_UNSIGNED_DECIMAL 274877906944
+#endif
+#if LONG_HAS_BITS(40)
+#define LARGE_UNSIGNED_DECIMAL 549755813888
+#endif
+#if LONG_HAS_BITS(41)
+#define LARGE_UNSIGNED_DECIMAL 1099511627776
+#endif
+#if LONG_HAS_BITS(42)
+#define LARGE_UNSIGNED_DECIMAL 2199023255552
+#endif
+#if LONG_HAS_BITS(43)
+#define LARGE_UNSIGNED_DECIMAL 4398046511104
+#endif
+#if LONG_HAS_BITS(44)
+#define LARGE_UNSIGNED_DECIMAL 8796093022208
+#endif
+#if LONG_HAS_BITS(45)
+#define LARGE_UNSIGNED_DECIMAL 17592186044416
+#endif
+#if LONG_HAS_BITS(46)
+#define LARGE_UNSIGNED_DECIMAL 35184372088832
+#endif
+#if LONG_HAS_BITS(47)
+#define LARGE_UNSIGNED_DECIMAL 70368744177664
+#endif
+#if LONG_HAS_BITS(48)
+#define LARGE_UNSIGNED_DECIMAL 140737488355328
+#endif
+#if LONG_HAS_BITS(49)
+#define LARGE_UNSIGNED_DECIMAL 281474976710656
+#endif
+#if LONG_HAS_BITS(50)
+#define LARGE_UNSIGNED_DECIMAL 562949953421312
+#endif
+#if LONG_HAS_BITS(51)
+#define LARGE_UNSIGNED_DECIMAL 1125899906842624
+#endif
+#if LONG_HAS_BITS(52)
+#define LARGE_UNSIGNED_DECIMAL 2251799813685248
+#endif
+#if LONG_HAS_BITS(53)
+#define LARGE_UNSIGNED_DECIMAL 4503599627370496
+#endif
+#if LONG_HAS_BITS(54)
+#define LARGE_UNSIGNED_DECIMAL 9007199254740992
+#endif
+#if LONG_HAS_BITS(55)
+#define LARGE_UNSIGNED_DECIMAL 18014398509481984
+#endif
+#if LONG_HAS_BITS(56)
+#define LARGE_UNSIGNED_DECIMAL 36028797018963968
+#endif
+#if LONG_HAS_BITS(57)
+#define LARGE_UNSIGNED_DECIMAL 72057594037927936
+#endif
+#if LONG_HAS_BITS(58)
+#define LARGE_UNSIGNED_DECIMAL 144115188075855872
+#endif
+#if LONG_HAS_BITS(59)
+#define LARGE_UNSIGNED_DECIMAL 288230376151711744
+#endif
+#if LONG_HAS_BITS(60)
+#define LARGE_UNSIGNED_DECIMAL 576460752303423488
+#endif
+#if LONG_HAS_BITS(61)
+#define LARGE_UNSIGNED_DECIMAL 1152921504606846976
+#endif
+#if LONG_HAS_BITS(62)
+#define LARGE_UNSIGNED_DECIMAL 2305843009213693952
+#endif
+#if LONG_HAS_BITS(63)
+#define LARGE_UNSIGNED_DECIMAL 4611686018427387904
+#endif
+#if LONG_HAS_BITS(64)
+#define LARGE_UNSIGNED_DECIMAL 9223372036854775808
+#endif
+#if LONG_AT_LEAST(65)
+#error "extend this test to allow for long larger than 64 bits"
+#endif
+
+#define cat(x, y) x ## y
+#define xcat(x, y) cat(x, y)
+
+#define LARGE_UNSIGNED_DECIMALl xcat(LARGE_UNSIGNED_DECIMAL, l)
+#define LARGE_UNSIGNED_DECIMALL xcat(LARGE_UNSIGNED_DECIMAL, L)
+#define LARGE_UNSIGNED_DECIMALu xcat(LARGE_UNSIGNED_DECIMAL, u)
+#define LARGE_UNSIGNED_DECIMALU xcat(LARGE_UNSIGNED_DECIMAL, U)
+#define LARGE_UNSIGNED_DECIMALul xcat(LARGE_UNSIGNED_DECIMAL, ul)
+#define LARGE_UNSIGNED_DECIMALuL xcat(LARGE_UNSIGNED_DECIMAL, uL)
+#define LARGE_UNSIGNED_DECIMALUl xcat(LARGE_UNSIGNED_DECIMAL, Ul)
+#define LARGE_UNSIGNED_DECIMALUL xcat(LARGE_UNSIGNED_DECIMAL, UL)
+
+void
+foo (void)
+{
+  /* Decimal.  */
+  /* Check all 2^n and 2^n - 1 up to 2^63 - 1.  Check values that would be
+     unsigned separately since they generate a warning.  */
+  CHECK_DEC_CONST(1);
+  CHECK_DEC_CONST(2);
+  CHECK_DEC_CONST(3);
+  CHECK_DEC_CONST(4);
+  CHECK_DEC_CONST(7);
+  CHECK_DEC_CONST(8);
+  CHECK_DEC_CONST(15);
+  CHECK_DEC_CONST(16);
+  CHECK_DEC_CONST(31);
+  CHECK_DEC_CONST(32);
+  CHECK_DEC_CONST(63);
+  CHECK_DEC_CONST(64);
+  CHECK_DEC_CONST(127);
+  CHECK_DEC_CONST(128);
+  CHECK_DEC_CONST(255);
+  CHECK_DEC_CONST(256);
+  CHECK_DEC_CONST(511);
+  CHECK_DEC_CONST(512);
+  CHECK_DEC_CONST(1023);
+  CHECK_DEC_CONST(1024);
+  CHECK_DEC_CONST(2047);
+  CHECK_DEC_CONST(2048);
+  CHECK_DEC_CONST(4095);
+  CHECK_DEC_CONST(4096);
+  CHECK_DEC_CONST(8191);
+  CHECK_DEC_CONST(8192);
+  CHECK_DEC_CONST(16383);
+  CHECK_DEC_CONST(16384);
+  CHECK_DEC_CONST(32767);
+  CHECK_DEC_CONST(32768);
+  CHECK_DEC_CONST(65535);
+  CHECK_DEC_CONST(65536);
+  CHECK_DEC_CONST(131071);
+  CHECK_DEC_CONST(131072);
+  CHECK_DEC_CONST(262143);
+  CHECK_DEC_CONST(262144);
+  CHECK_DEC_CONST(524287);
+  CHECK_DEC_CONST(524288);
+  CHECK_DEC_CONST(1048575);
+  CHECK_DEC_CONST(1048576);
+  CHECK_DEC_CONST(2097151);
+  CHECK_DEC_CONST(2097152);
+  CHECK_DEC_CONST(4194303);
+  CHECK_DEC_CONST(4194304);
+  CHECK_DEC_CONST(8388607);
+  CHECK_DEC_CONST(8388608);
+  CHECK_DEC_CONST(16777215);
+  CHECK_DEC_CONST(16777216);
+  CHECK_DEC_CONST(33554431);
+  CHECK_DEC_CONST(33554432);
+  CHECK_DEC_CONST(67108863);
+  CHECK_DEC_CONST(67108864);
+  CHECK_DEC_CONST(134217727);
+  CHECK_DEC_CONST(134217728);
+  CHECK_DEC_CONST(268435455);
+  CHECK_DEC_CONST(268435456);
+  CHECK_DEC_CONST(536870911);
+  CHECK_DEC_CONST(536870912);
+  CHECK_DEC_CONST(1073741823);
+  CHECK_DEC_CONST(1073741824);
+  CHECK_DEC_CONST(2147483647);
+#if LONG_AT_LEAST(33)
+  CHECK_DEC_CONST(2147483648);
+  CHECK_DEC_CONST(4294967295);
+#endif
+#if LONG_AT_LEAST(34)
+  CHECK_DEC_CONST(4294967296);
+  CHECK_DEC_CONST(8589934591);
+#endif
+#if LONG_AT_LEAST(35)
+  CHECK_DEC_CONST(8589934592);
+  CHECK_DEC_CONST(17179869183);
+#endif
+#if LONG_AT_LEAST(36)
+  CHECK_DEC_CONST(17179869184);
+  CHECK_DEC_CONST(34359738367);
+#endif
+#if LONG_AT_LEAST(37)
+  CHECK_DEC_CONST(34359738368);
+  CHECK_DEC_CONST(68719476735);
+#endif
+#if LONG_AT_LEAST(38)
+  CHECK_DEC_CONST(68719476736);
+  CHECK_DEC_CONST(137438953471);
+#endif
+#if LONG_AT_LEAST(39)
+  CHECK_DEC_CONST(137438953472);
+  CHECK_DEC_CONST(274877906943);
+#endif
+#if LONG_AT_LEAST(40)
+  CHECK_DEC_CONST(274877906944);
+  CHECK_DEC_CONST(549755813887);
+#endif
+#if LONG_AT_LEAST(41)
+  CHECK_DEC_CONST(549755813888);
+  CHECK_DEC_CONST(1099511627775);
+#endif
+#if LONG_AT_LEAST(42)
+  CHECK_DEC_CONST(1099511627776);
+  CHECK_DEC_CONST(2199023255551);
+#endif
+#if LONG_AT_LEAST(43)
+  CHECK_DEC_CONST(2199023255552);
+  CHECK_DEC_CONST(4398046511103);
+#endif
+#if LONG_AT_LEAST(44)
+  CHECK_DEC_CONST(4398046511104);
+  CHECK_DEC_CONST(8796093022207);
+#endif
+#if LONG_AT_LEAST(45)
+  CHECK_DEC_CONST(8796093022208);
+  CHECK_DEC_CONST(17592186044415);
+#endif
+#if LONG_AT_LEAST(46)
+  CHECK_DEC_CONST(17592186044416);
+  CHECK_DEC_CONST(35184372088831);
+#endif
+#if LONG_AT_LEAST(47)
+  CHECK_DEC_CONST(35184372088832);
+  CHECK_DEC_CONST(70368744177663);
+#endif
+#if LONG_AT_LEAST(48)
+  CHECK_DEC_CONST(70368744177664);
+  CHECK_DEC_CONST(140737488355327);
+#endif
+#if LONG_AT_LEAST(49)
+  CHECK_DEC_CONST(140737488355328);
+  CHECK_DEC_CONST(281474976710655);
+#endif
+#if LONG_AT_LEAST(50)
+  CHECK_DEC_CONST(281474976710656);
+  CHECK_DEC_CONST(562949953421311);
+#endif
+#if LONG_AT_LEAST(51)
+  CHECK_DEC_CONST(562949953421312);
+  CHECK_DEC_CONST(1125899906842623);
+#endif
+#if LONG_AT_LEAST(52)
+  CHECK_DEC_CONST(1125899906842624);
+  CHECK_DEC_CONST(2251799813685247);
+#endif
+#if LONG_AT_LEAST(53)
+  CHECK_DEC_CONST(2251799813685248);
+  CHECK_DEC_CONST(4503599627370495);
+#endif
+#if LONG_AT_LEAST(54)
+  CHECK_DEC_CONST(4503599627370496);
+  CHECK_DEC_CONST(9007199254740991);
+#endif
+#if LONG_AT_LEAST(55)
+  CHECK_DEC_CONST(9007199254740992);
+  CHECK_DEC_CONST(18014398509481983);
+#endif
+#if LONG_AT_LEAST(56)
+  CHECK_DEC_CONST(18014398509481984);
+  CHECK_DEC_CONST(36028797018963967);
+#endif
+#if LONG_AT_LEAST(57)
+  CHECK_DEC_CONST(36028797018963968);
+  CHECK_DEC_CONST(72057594037927935);
+#endif
+#if LONG_AT_LEAST(58)
+  CHECK_DEC_CONST(72057594037927936);
+  CHECK_DEC_CONST(144115188075855871);
+#endif
+#if LONG_AT_LEAST(59)
+  CHECK_DEC_CONST(144115188075855872);
+  CHECK_DEC_CONST(288230376151711743);
+#endif
+#if LONG_AT_LEAST(60)
+  CHECK_DEC_CONST(288230376151711744);
+  CHECK_DEC_CONST(576460752303423487);
+#endif
+#if LONG_AT_LEAST(61)
+  CHECK_DEC_CONST(576460752303423488);
+  CHECK_DEC_CONST(1152921504606846975);
+#endif
+#if LONG_AT_LEAST(62)
+  CHECK_DEC_CONST(1152921504606846976);
+  CHECK_DEC_CONST(2305843009213693951);
+#endif
+#if LONG_AT_LEAST(63)
+  CHECK_DEC_CONST(2305843009213693952);
+  CHECK_DEC_CONST(4611686018427387903);
+#endif
+#if LONG_AT_LEAST(64)
+  CHECK_DEC_CONST(4611686018427387904);
+  CHECK_DEC_CONST(9223372036854775807);
+#endif
+  /* Separate checks for values that are unsigned.  */
+  CHECK_UNSUF_DEC_TYPE(LARGE_UNSIGNED_DECIMAL); /* { dg-warning "unsigned" "unsigned decimal no suffix" } */
+  CHECK_SUFl_TYPE(LARGE_UNSIGNED_DECIMALl); /* { dg-warning "unsigned" "unsigned decimal long suffix" } */
+  CHECK_SUFl_TYPE(LARGE_UNSIGNED_DECIMALL); /* { dg-warning "unsigned" "unsigned decimal long suffix" } */
+  CHECK_SUFu_TYPE(LARGE_UNSIGNED_DECIMALu);
+  CHECK_SUFu_TYPE(LARGE_UNSIGNED_DECIMALU);
+  CHECK_SUFul_TYPE(LARGE_UNSIGNED_DECIMALul);
+  CHECK_SUFul_TYPE(LARGE_UNSIGNED_DECIMALuL);
+  CHECK_SUFul_TYPE(LARGE_UNSIGNED_DECIMALUl);
+  CHECK_SUFul_TYPE(LARGE_UNSIGNED_DECIMALUL);
+  /* Octal and hexadecimal.  */
+  /* Check all 2^n and 2^n - 1 up to 2^64 - 1.  */
+  CHECK_OCT_CONST(0);
+  CHECK_HEX_CONST(0);
+  CHECK_OCT_CONST(01);
+  CHECK_HEX_CONST(1);
+  CHECK_OCT_CONST(02);
+  CHECK_HEX_CONST(2);
+  CHECK_OCT_CONST(03);
+  CHECK_HEX_CONST(3);
+  CHECK_OCT_CONST(04);
+  CHECK_HEX_CONST(4);
+  CHECK_OCT_CONST(07);
+  CHECK_HEX_CONST(7);
+  CHECK_OCT_CONST(010);
+  CHECK_HEX_CONST(8);
+  CHECK_OCT_CONST(017);
+  CHECK_HEX_CONST(f);
+  CHECK_OCT_CONST(020);
+  CHECK_HEX_CONST(10);
+  CHECK_OCT_CONST(037);
+  CHECK_HEX_CONST(1f);
+  CHECK_OCT_CONST(040);
+  CHECK_HEX_CONST(20);
+  CHECK_OCT_CONST(077);
+  CHECK_HEX_CONST(3f);
+  CHECK_OCT_CONST(0100);
+  CHECK_HEX_CONST(40);
+  CHECK_OCT_CONST(0177);
+  CHECK_HEX_CONST(7f);
+  CHECK_OCT_CONST(0200);
+  CHECK_HEX_CONST(80);
+  CHECK_OCT_CONST(0377);
+  CHECK_HEX_CONST(ff);
+  CHECK_OCT_CONST(0400);
+  CHECK_HEX_CONST(100);
+  CHECK_OCT_CONST(0777);
+  CHECK_HEX_CONST(1ff);
+  CHECK_OCT_CONST(01000);
+  CHECK_HEX_CONST(200);
+  CHECK_OCT_CONST(01777);
+  CHECK_HEX_CONST(3ff);
+  CHECK_OCT_CONST(02000);
+  CHECK_HEX_CONST(400);
+  CHECK_OCT_CONST(03777);
+  CHECK_HEX_CONST(7ff);
+  CHECK_OCT_CONST(04000);
+  CHECK_HEX_CONST(800);
+  CHECK_OCT_CONST(07777);
+  CHECK_HEX_CONST(fff);
+  CHECK_OCT_CONST(010000);
+  CHECK_HEX_CONST(1000);
+  CHECK_OCT_CONST(017777);
+  CHECK_HEX_CONST(1fff);
+  CHECK_OCT_CONST(020000);
+  CHECK_HEX_CONST(2000);
+  CHECK_OCT_CONST(037777);
+  CHECK_HEX_CONST(3fff);
+  CHECK_OCT_CONST(040000);
+  CHECK_HEX_CONST(4000);
+  CHECK_OCT_CONST(077777);
+  CHECK_HEX_CONST(7fff);
+  CHECK_OCT_CONST(0100000);
+  CHECK_HEX_CONST(8000);
+  CHECK_OCT_CONST(0177777);
+  CHECK_HEX_CONST(ffff);
+  CHECK_OCT_CONST(0200000);
+  CHECK_HEX_CONST(10000);
+  CHECK_OCT_CONST(0377777);
+  CHECK_HEX_CONST(1ffff);
+  CHECK_OCT_CONST(0400000);
+  CHECK_HEX_CONST(20000);
+  CHECK_OCT_CONST(0777777);
+  CHECK_HEX_CONST(3ffff);
+  CHECK_OCT_CONST(01000000);
+  CHECK_HEX_CONST(40000);
+  CHECK_OCT_CONST(01777777);
+  CHECK_HEX_CONST(7ffff);
+  CHECK_OCT_CONST(02000000);
+  CHECK_HEX_CONST(80000);
+  CHECK_OCT_CONST(03777777);
+  CHECK_HEX_CONST(fffff);
+  CHECK_OCT_CONST(04000000);
+  CHECK_HEX_CONST(100000);
+  CHECK_OCT_CONST(07777777);
+  CHECK_HEX_CONST(1fffff);
+  CHECK_OCT_CONST(010000000);
+  CHECK_HEX_CONST(200000);
+  CHECK_OCT_CONST(017777777);
+  CHECK_HEX_CONST(3fffff);
+  CHECK_OCT_CONST(020000000);
+  CHECK_HEX_CONST(400000);
+  CHECK_OCT_CONST(037777777);
+  CHECK_HEX_CONST(7fffff);
+  CHECK_OCT_CONST(040000000);
+  CHECK_HEX_CONST(800000);
+  CHECK_OCT_CONST(077777777);
+  CHECK_HEX_CONST(ffffff);
+  CHECK_OCT_CONST(0100000000);
+  CHECK_HEX_CONST(1000000);
+  CHECK_OCT_CONST(0177777777);
+  CHECK_HEX_CONST(1ffffff);
+  CHECK_OCT_CONST(0200000000);
+  CHECK_HEX_CONST(2000000);
+  CHECK_OCT_CONST(0377777777);
+  CHECK_HEX_CONST(3ffffff);
+  CHECK_OCT_CONST(0400000000);
+  CHECK_HEX_CONST(4000000);
+  CHECK_OCT_CONST(0777777777);
+  CHECK_HEX_CONST(7ffffff);
+  CHECK_OCT_CONST(01000000000);
+  CHECK_HEX_CONST(8000000);
+  CHECK_OCT_CONST(01777777777);
+  CHECK_HEX_CONST(fffffff);
+  CHECK_OCT_CONST(02000000000);
+  CHECK_HEX_CONST(10000000);
+  CHECK_OCT_CONST(03777777777);
+  CHECK_HEX_CONST(1fffffff);
+  CHECK_OCT_CONST(04000000000);
+  CHECK_HEX_CONST(20000000);
+  CHECK_OCT_CONST(07777777777);
+  CHECK_HEX_CONST(3fffffff);
+  CHECK_OCT_CONST(010000000000);
+  CHECK_HEX_CONST(40000000);
+  CHECK_OCT_CONST(017777777777);
+  CHECK_HEX_CONST(7fffffff);
+  CHECK_OCT_CONST(020000000000);
+  CHECK_HEX_CONST(80000000);
+  CHECK_OCT_CONST(037777777777);
+  CHECK_HEX_CONST(ffffffff);
+#if LONG_AT_LEAST(33)
+  CHECK_OCT_CONST(040000000000);
+  CHECK_HEX_CONST(100000000);
+  CHECK_OCT_CONST(077777777777);
+  CHECK_HEX_CONST(1ffffffff);
+#endif
+#if LONG_AT_LEAST(34)
+  CHECK_OCT_CONST(0100000000000);
+  CHECK_HEX_CONST(200000000);
+  CHECK_OCT_CONST(0177777777777);
+  CHECK_HEX_CONST(3ffffffff);
+#endif
+#if LONG_AT_LEAST(35)
+  CHECK_OCT_CONST(0200000000000);
+  CHECK_HEX_CONST(400000000);
+  CHECK_OCT_CONST(0377777777777);
+  CHECK_HEX_CONST(7ffffffff);
+#endif
+#if LONG_AT_LEAST(36)
+  CHECK_OCT_CONST(0400000000000);
+  CHECK_HEX_CONST(800000000);
+  CHECK_OCT_CONST(0777777777777);
+  CHECK_HEX_CONST(fffffffff);
+#endif
+#if LONG_AT_LEAST(37)
+  CHECK_OCT_CONST(01000000000000);
+  CHECK_HEX_CONST(1000000000);
+  CHECK_OCT_CONST(01777777777777);
+  CHECK_HEX_CONST(1fffffffff);
+#endif
+#if LONG_AT_LEAST(38)
+  CHECK_OCT_CONST(02000000000000);
+  CHECK_HEX_CONST(2000000000);
+  CHECK_OCT_CONST(03777777777777);
+  CHECK_HEX_CONST(3fffffffff);
+#endif
+#if LONG_AT_LEAST(39)
+  CHECK_OCT_CONST(04000000000000);
+  CHECK_HEX_CONST(4000000000);
+  CHECK_OCT_CONST(07777777777777);
+  CHECK_HEX_CONST(7fffffffff);
+#endif
+#if LONG_AT_LEAST(40)
+  CHECK_OCT_CONST(010000000000000);
+  CHECK_HEX_CONST(8000000000);
+  CHECK_OCT_CONST(017777777777777);
+  CHECK_HEX_CONST(ffffffffff);
+#endif
+#if LONG_AT_LEAST(41)
+  CHECK_OCT_CONST(020000000000000);
+  CHECK_HEX_CONST(10000000000);
+  CHECK_OCT_CONST(037777777777777);
+  CHECK_HEX_CONST(1ffffffffff);
+#endif
+#if LONG_AT_LEAST(42)
+  CHECK_OCT_CONST(040000000000000);
+  CHECK_HEX_CONST(20000000000);
+  CHECK_OCT_CONST(077777777777777);
+  CHECK_HEX_CONST(3ffffffffff);
+#endif
+#if LONG_AT_LEAST(43)
+  CHECK_OCT_CONST(0100000000000000);
+  CHECK_HEX_CONST(40000000000);
+  CHECK_OCT_CONST(0177777777777777);
+  CHECK_HEX_CONST(7ffffffffff);
+#endif
+#if LONG_AT_LEAST(44)
+  CHECK_OCT_CONST(0200000000000000);
+  CHECK_HEX_CONST(80000000000);
+  CHECK_OCT_CONST(0377777777777777);
+  CHECK_HEX_CONST(fffffffffff);
+#endif
+#if LONG_AT_LEAST(45)
+  CHECK_OCT_CONST(0400000000000000);
+  CHECK_HEX_CONST(100000000000);
+  CHECK_OCT_CONST(0777777777777777);
+  CHECK_HEX_CONST(1fffffffffff);
+#endif
+#if LONG_AT_LEAST(46)
+  CHECK_OCT_CONST(01000000000000000);
+  CHECK_HEX_CONST(200000000000);
+  CHECK_OCT_CONST(01777777777777777);
+  CHECK_HEX_CONST(3fffffffffff);
+#endif
+#if LONG_AT_LEAST(47)
+  CHECK_OCT_CONST(02000000000000000);
+  CHECK_HEX_CONST(400000000000);
+  CHECK_OCT_CONST(03777777777777777);
+  CHECK_HEX_CONST(7fffffffffff);
+#endif
+#if LONG_AT_LEAST(48)
+  CHECK_OCT_CONST(04000000000000000);
+  CHECK_HEX_CONST(800000000000);
+  CHECK_OCT_CONST(07777777777777777);
+  CHECK_HEX_CONST(ffffffffffff);
+#endif
+#if LONG_AT_LEAST(49)
+  CHECK_OCT_CONST(010000000000000000);
+  CHECK_HEX_CONST(1000000000000);
+  CHECK_OCT_CONST(017777777777777777);
+  CHECK_HEX_CONST(1ffffffffffff);
+#endif
+#if LONG_AT_LEAST(50)
+  CHECK_OCT_CONST(020000000000000000);
+  CHECK_HEX_CONST(2000000000000);
+  CHECK_OCT_CONST(037777777777777777);
+  CHECK_HEX_CONST(3ffffffffffff);
+#endif
+#if LONG_AT_LEAST(51)
+  CHECK_OCT_CONST(040000000000000000);
+  CHECK_HEX_CONST(4000000000000);
+  CHECK_OCT_CONST(077777777777777777);
+  CHECK_HEX_CONST(7ffffffffffff);
+#endif
+#if LONG_AT_LEAST(52)
+  CHECK_OCT_CONST(0100000000000000000);
+  CHECK_HEX_CONST(8000000000000);
+  CHECK_OCT_CONST(0177777777777777777);
+  CHECK_HEX_CONST(fffffffffffff);
+#endif
+#if LONG_AT_LEAST(53)
+  CHECK_OCT_CONST(0200000000000000000);
+  CHECK_HEX_CONST(10000000000000);
+  CHECK_OCT_CONST(0377777777777777777);
+  CHECK_HEX_CONST(1fffffffffffff);
+#endif
+#if LONG_AT_LEAST(54)
+  CHECK_OCT_CONST(0400000000000000000);
+  CHECK_HEX_CONST(20000000000000);
+  CHECK_OCT_CONST(0777777777777777777);
+  CHECK_HEX_CONST(3fffffffffffff);
+#endif
+#if LONG_AT_LEAST(55)
+  CHECK_OCT_CONST(01000000000000000000);
+  CHECK_HEX_CONST(40000000000000);
+  CHECK_OCT_CONST(01777777777777777777);
+  CHECK_HEX_CONST(7fffffffffffff);
+#endif
+#if LONG_AT_LEAST(56)
+  CHECK_OCT_CONST(02000000000000000000);
+  CHECK_HEX_CONST(80000000000000);
+  CHECK_OCT_CONST(03777777777777777777);
+  CHECK_HEX_CONST(ffffffffffffff);
+#endif
+#if LONG_AT_LEAST(57)
+  CHECK_OCT_CONST(04000000000000000000);
+  CHECK_HEX_CONST(100000000000000);
+  CHECK_OCT_CONST(07777777777777777777);
+  CHECK_HEX_CONST(1ffffffffffffff);
+#endif
+#if LONG_AT_LEAST(58)
+  CHECK_OCT_CONST(010000000000000000000);
+  CHECK_HEX_CONST(200000000000000);
+  CHECK_OCT_CONST(017777777777777777777);
+  CHECK_HEX_CONST(3ffffffffffffff);
+#endif
+#if LONG_AT_LEAST(59)
+  CHECK_OCT_CONST(020000000000000000000);
+  CHECK_HEX_CONST(400000000000000);
+  CHECK_OCT_CONST(037777777777777777777);
+  CHECK_HEX_CONST(7ffffffffffffff);
+#endif
+#if LONG_AT_LEAST(60)
+  CHECK_OCT_CONST(040000000000000000000);
+  CHECK_HEX_CONST(800000000000000);
+  CHECK_OCT_CONST(077777777777777777777);
+  CHECK_HEX_CONST(fffffffffffffff);
+#endif
+#if LONG_AT_LEAST(61)
+  CHECK_OCT_CONST(0100000000000000000000);
+  CHECK_HEX_CONST(1000000000000000);
+  CHECK_OCT_CONST(0177777777777777777777);
+  CHECK_HEX_CONST(1fffffffffffffff);
+#endif
+#if LONG_AT_LEAST(62)
+  CHECK_OCT_CONST(0200000000000000000000);
+  CHECK_HEX_CONST(2000000000000000);
+  CHECK_OCT_CONST(0377777777777777777777);
+  CHECK_HEX_CONST(3fffffffffffffff);
+#endif
+#if LONG_AT_LEAST(63)
+  CHECK_OCT_CONST(0400000000000000000000);
+  CHECK_HEX_CONST(4000000000000000);
+  CHECK_OCT_CONST(0777777777777777777777);
+  CHECK_HEX_CONST(7fffffffffffffff);
+#endif
+#if LONG_AT_LEAST(64)
+  CHECK_OCT_CONST(01000000000000000000000);
+  CHECK_HEX_CONST(8000000000000000);
+  CHECK_OCT_CONST(01777777777777777777777);
+  CHECK_HEX_CONST(ffffffffffffffff);
+#endif
+}
diff --git a/gcc/testsuite/gcc.dg/c99-intconst-1.c b/gcc/testsuite/gcc.dg/c99-intconst-1.c
new file mode 100644
index 0000000..629b0bc
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c99-intconst-1.c
@@ -0,0 +1,639 @@
+/* Test for integer constant types.  */
+
+/* Origin: Joseph Myers <jsm28@cam.ac.uk>.  */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+#include <limits.h>
+
+/* Assertion that constant C is of type T.  */
+#define ASSERT_CONST_TYPE(C, T)			\
+	do {					\
+	  typedef T type;			\
+	  typedef type **typepp;		\
+	  typedef __typeof__((C)) ctype;	\
+	  typedef ctype **ctypepp;		\
+	  typepp x = 0;				\
+	  ctypepp y = 0;			\
+	  x = y;				\
+	  y = x;				\
+	} while (0)
+
+/* (T *) if E is zero, (void *) otherwise.  */
+#define type_if_not(T, E) __typeof__(0 ? (T *)0 : (void *)(E))
+
+/* (T *) if E is nonzero, (void *) otherwise.  */
+#define type_if(T, E) type_if_not(T, !(E))
+
+/* Combine pointer types, all but one (void *).  */
+#define type_comb2(T1, T2) __typeof__(0 ? (T1)0 : (T2)0)
+#define type_comb3(T1, T2, T3) type_comb2(T1, type_comb2(T2, T3))
+#define type_comb4(T1, T2, T3, T4)				\
+	type_comb2(T1, type_comb2(T2, type_comb2(T3, T4)))
+#define type_comb6(T1, T2, T3, T4, T5, T6)				   \
+	type_comb2(T1,							   \
+		   type_comb2(T2,					   \
+			      type_comb2(T3,				   \
+					 type_comb2(T4,			   \
+						    type_comb2(T5, T6)))))
+
+/* (T1 *) if E1, otherwise (T2 *) if E2.  */
+#define first_of2p(T1, E1, T2, E2) type_comb2(type_if(T1, (E1)),	   \
+					     type_if(T2, (!(E1) && (E2))))
+/* (T1 *) if E1, otherwise (T2 *) if E2, otherwise (T3 *) if E3.  */
+#define first_of3p(T1, E1, T2, E2, T3, E3)			\
+	type_comb3(type_if(T1, (E1)),				\
+		   type_if(T2, (!(E1) && (E2))),		\
+		   type_if(T3, (!(E1) && !(E2) && (E3))))
+/* (T1 *) if E1, otherwise (T2 *) if E2, otherwise (T3 *) if E3, otherwise
+   (T4 *) if E4.  */
+#define first_of4p(T1, E1, T2, E2, T3, E3, T4, E4)			\
+	type_comb4(type_if(T1, (E1)),					\
+		   type_if(T2, (!(E1) && (E2))),			\
+		   type_if(T3, (!(E1) && !(E2) && (E3))),		\
+		   type_if(T4, (!(E1) && !(E2) && !(E3) && (E4))))
+/* (T1 *) if E1, otherwise (T2 *) if E2, otherwise (T3 *) if E3, otherwise
+   (T4 *) if E4, otherwise (T5 *) if E5, otherwise (T6 *) if E6.  */
+#define first_of6p(T1, E1, T2, E2, T3, E3, T4, E4, T5, E5, T6, E6)	    \
+	type_comb6(type_if(T1, (E1)),					    \
+		   type_if(T2, (!(E1) && (E2))),			    \
+		   type_if(T3, (!(E1) && !(E2) && (E3))),		    \
+		   type_if(T4, (!(E1) && !(E2) && !(E3) && (E4))),	    \
+		   type_if(T5, (!(E1) && !(E2) && !(E3) && !(E4) && (E5))), \
+		   type_if(T6, (!(E1) && !(E2) && !(E3)			    \
+				&& !(E4) && !(E5) && (E6))))
+
+/* Likewise, but return the original type rather than a pointer type.  */
+#define first_of2(T1, E1, T2, E2)			\
+	__typeof__(*((first_of2p(T1, (E1), T2, (E2)))0))
+#define first_of3(T1, E1, T2, E2, T3, E3)				\
+	__typeof__(*((first_of3p(T1, (E1), T2, (E2), T3, (E3)))0))
+#define first_of4(T1, E1, T2, E2, T3, E3, T4, E4)			    \
+	__typeof__(*((first_of4p(T1, (E1), T2, (E2), T3, (E3), T4, (E4)))0))
+#define first_of6(T1, E1, T2, E2, T3, E3, T4, E4, T5, E5, T6, E6)	\
+	__typeof__(*((first_of6p(T1, (E1), T2, (E2), T3, (E3),		\
+				 T4, (E4), T5, (E5), T6, (E6)))0))
+
+/* Types of constants according to the C99 rules.  */
+#define C99_UNSUF_DEC_TYPE(C)				\
+	first_of3(int, (C) <= INT_MAX,			\
+		  long int, (C) <= LONG_MAX,		\
+		  long long int, (C) <= LLONG_MAX)
+#define C99_UNSUF_OCTHEX_TYPE(C)				\
+	first_of6(int, (C) <= INT_MAX,				\
+		  unsigned int, (C) <= UINT_MAX,		\
+		  long int, (C) <= LONG_MAX,			\
+		  unsigned long int, (C) <= ULONG_MAX,		\
+		  long long int, (C) <= LLONG_MAX,		\
+		  unsigned long long int, (C) <= ULLONG_MAX)
+#define C99_SUFu_TYPE(C)					\
+	first_of3(unsigned int, (C) <= UINT_MAX,		\
+		  unsigned long int, (C) <= ULONG_MAX,		\
+		  unsigned long long int, (C) <= ULLONG_MAX)
+#define C99_SUFl_DEC_TYPE(C)				\
+	first_of2(long int, (C) <= LONG_MAX,		\
+		  long long int, (C) <= LLONG_MAX)
+#define C99_SUFl_OCTHEX_TYPE(C)					\
+	first_of4(long int, (C) <= LONG_MAX,			\
+		  unsigned long int, (C) <= ULONG_MAX,		\
+		  long long int, (C) <= LLONG_MAX,		\
+		  unsigned long long int, (C) <= ULLONG_MAX)
+#define C99_SUFul_TYPE(C)					\
+	first_of2(unsigned long int, (C) <= ULONG_MAX,		\
+		  unsigned long long int, (C) <= ULLONG_MAX)
+#define C99_SUFll_OCTHEX_TYPE(C)				\
+	first_of2(long long int, (C) <= LLONG_MAX,		\
+		  unsigned long long int, (C) <= ULLONG_MAX)
+
+/* Checks that constants have correct type.  */
+#define CHECK_UNSUF_DEC_TYPE(C) ASSERT_CONST_TYPE((C), C99_UNSUF_DEC_TYPE((C)))
+#define CHECK_UNSUF_OCTHEX_TYPE(C)				\
+	ASSERT_CONST_TYPE((C), C99_UNSUF_OCTHEX_TYPE((C)))
+#define CHECK_SUFu_TYPE(C) ASSERT_CONST_TYPE((C), C99_SUFu_TYPE((C)))
+#define CHECK_SUFl_DEC_TYPE(C) ASSERT_CONST_TYPE((C), C99_SUFl_DEC_TYPE((C)))
+#define CHECK_SUFl_OCTHEX_TYPE(C)				\
+	ASSERT_CONST_TYPE((C), C99_SUFl_OCTHEX_TYPE((C)))
+#define CHECK_SUFul_TYPE(C) ASSERT_CONST_TYPE((C), C99_SUFul_TYPE((C)))
+#define CHECK_SUFll_DEC_TYPE(C) ASSERT_CONST_TYPE((C), long long int)
+#define CHECK_SUFll_OCTHEX_TYPE(C)				\
+	ASSERT_CONST_TYPE((C), C99_SUFll_OCTHEX_TYPE((C)))
+#define CHECK_SUFull_TYPE(C) ASSERT_CONST_TYPE((C), unsigned long long int)
+
+/* Check a decimal value, with all suffixes.  */
+#define CHECK_DEC_CONST(C)			\
+	CHECK_UNSUF_DEC_TYPE(C);		\
+	CHECK_SUFu_TYPE(C##u);			\
+	CHECK_SUFu_TYPE(C##U);			\
+	CHECK_SUFl_DEC_TYPE(C##l);		\
+	CHECK_SUFl_DEC_TYPE(C##L);		\
+	CHECK_SUFul_TYPE(C##ul);		\
+	CHECK_SUFul_TYPE(C##uL);		\
+	CHECK_SUFul_TYPE(C##Ul);		\
+	CHECK_SUFul_TYPE(C##UL);		\
+	CHECK_SUFll_DEC_TYPE(C##ll);		\
+	CHECK_SUFll_DEC_TYPE(C##LL);		\
+	CHECK_SUFull_TYPE(C##ull);		\
+	CHECK_SUFull_TYPE(C##uLL);		\
+	CHECK_SUFull_TYPE(C##Ull);		\
+	CHECK_SUFull_TYPE(C##ULL);
+
+/* Check an octal or hexadecimal value, with all suffixes.  */
+#define CHECK_OCTHEX_CONST(C)			\
+	CHECK_UNSUF_OCTHEX_TYPE(C);		\
+	CHECK_SUFu_TYPE(C##u);			\
+	CHECK_SUFu_TYPE(C##U);			\
+	CHECK_SUFl_OCTHEX_TYPE(C##l);		\
+	CHECK_SUFl_OCTHEX_TYPE(C##L);		\
+	CHECK_SUFul_TYPE(C##ul);		\
+	CHECK_SUFul_TYPE(C##uL);		\
+	CHECK_SUFul_TYPE(C##Ul);		\
+	CHECK_SUFul_TYPE(C##UL);		\
+	CHECK_SUFll_OCTHEX_TYPE(C##ll);		\
+	CHECK_SUFll_OCTHEX_TYPE(C##LL);		\
+	CHECK_SUFull_TYPE(C##ull);		\
+	CHECK_SUFull_TYPE(C##uLL);		\
+	CHECK_SUFull_TYPE(C##Ull);		\
+	CHECK_SUFull_TYPE(C##ULL);
+
+#define CHECK_OCT_CONST(C) CHECK_OCTHEX_CONST(C)
+#define CHECK_HEX_CONST(C)			\
+	CHECK_OCTHEX_CONST(0x##C);		\
+	CHECK_OCTHEX_CONST(0X##C);
+
+/* True iff "long long" is at least B bits.  This presumes that (B-2)/3 is at
+   most 63.  */
+#define LLONG_AT_LEAST(B)			\
+	(LLONG_MAX >> ((B)-2)/3 >> ((B)-2)/3	\
+	 >> ((B)-2 - ((B)-2)/3 - ((B)-2)/3))
+
+#define LLONG_HAS_BITS(B) (LLONG_AT_LEAST((B)) && !LLONG_AT_LEAST((B) + 1))
+
+void
+foo (void)
+{
+  /* Decimal.  */
+  /* Check all 2^n and 2^n - 1 up to 2^71 - 1.  */
+  CHECK_DEC_CONST(1);
+  CHECK_DEC_CONST(2);
+  CHECK_DEC_CONST(3);
+  CHECK_DEC_CONST(4);
+  CHECK_DEC_CONST(7);
+  CHECK_DEC_CONST(8);
+  CHECK_DEC_CONST(15);
+  CHECK_DEC_CONST(16);
+  CHECK_DEC_CONST(31);
+  CHECK_DEC_CONST(32);
+  CHECK_DEC_CONST(63);
+  CHECK_DEC_CONST(64);
+  CHECK_DEC_CONST(127);
+  CHECK_DEC_CONST(128);
+  CHECK_DEC_CONST(255);
+  CHECK_DEC_CONST(256);
+  CHECK_DEC_CONST(511);
+  CHECK_DEC_CONST(512);
+  CHECK_DEC_CONST(1023);
+  CHECK_DEC_CONST(1024);
+  CHECK_DEC_CONST(2047);
+  CHECK_DEC_CONST(2048);
+  CHECK_DEC_CONST(4095);
+  CHECK_DEC_CONST(4096);
+  CHECK_DEC_CONST(8191);
+  CHECK_DEC_CONST(8192);
+  CHECK_DEC_CONST(16383);
+  CHECK_DEC_CONST(16384);
+  CHECK_DEC_CONST(32767);
+  CHECK_DEC_CONST(32768);
+  CHECK_DEC_CONST(65535);
+  CHECK_DEC_CONST(65536);
+  CHECK_DEC_CONST(131071);
+  CHECK_DEC_CONST(131072);
+  CHECK_DEC_CONST(262143);
+  CHECK_DEC_CONST(262144);
+  CHECK_DEC_CONST(524287);
+  CHECK_DEC_CONST(524288);
+  CHECK_DEC_CONST(1048575);
+  CHECK_DEC_CONST(1048576);
+  CHECK_DEC_CONST(2097151);
+  CHECK_DEC_CONST(2097152);
+  CHECK_DEC_CONST(4194303);
+  CHECK_DEC_CONST(4194304);
+  CHECK_DEC_CONST(8388607);
+  CHECK_DEC_CONST(8388608);
+  CHECK_DEC_CONST(16777215);
+  CHECK_DEC_CONST(16777216);
+  CHECK_DEC_CONST(33554431);
+  CHECK_DEC_CONST(33554432);
+  CHECK_DEC_CONST(67108863);
+  CHECK_DEC_CONST(67108864);
+  CHECK_DEC_CONST(134217727);
+  CHECK_DEC_CONST(134217728);
+  CHECK_DEC_CONST(268435455);
+  CHECK_DEC_CONST(268435456);
+  CHECK_DEC_CONST(536870911);
+  CHECK_DEC_CONST(536870912);
+  CHECK_DEC_CONST(1073741823);
+  CHECK_DEC_CONST(1073741824);
+  CHECK_DEC_CONST(2147483647);
+  CHECK_DEC_CONST(2147483648);
+  CHECK_DEC_CONST(4294967295);
+  CHECK_DEC_CONST(4294967296);
+  CHECK_DEC_CONST(8589934591);
+  CHECK_DEC_CONST(8589934592);
+  CHECK_DEC_CONST(17179869183);
+  CHECK_DEC_CONST(17179869184);
+  CHECK_DEC_CONST(34359738367);
+  CHECK_DEC_CONST(34359738368);
+  CHECK_DEC_CONST(68719476735);
+  CHECK_DEC_CONST(68719476736);
+  CHECK_DEC_CONST(137438953471);
+  CHECK_DEC_CONST(137438953472);
+  CHECK_DEC_CONST(274877906943);
+  CHECK_DEC_CONST(274877906944);
+  CHECK_DEC_CONST(549755813887);
+  CHECK_DEC_CONST(549755813888);
+  CHECK_DEC_CONST(1099511627775);
+  CHECK_DEC_CONST(1099511627776);
+  CHECK_DEC_CONST(2199023255551);
+  CHECK_DEC_CONST(2199023255552);
+  CHECK_DEC_CONST(4398046511103);
+  CHECK_DEC_CONST(4398046511104);
+  CHECK_DEC_CONST(8796093022207);
+  CHECK_DEC_CONST(8796093022208);
+  CHECK_DEC_CONST(17592186044415);
+  CHECK_DEC_CONST(17592186044416);
+  CHECK_DEC_CONST(35184372088831);
+  CHECK_DEC_CONST(35184372088832);
+  CHECK_DEC_CONST(70368744177663);
+  CHECK_DEC_CONST(70368744177664);
+  CHECK_DEC_CONST(140737488355327);
+  CHECK_DEC_CONST(140737488355328);
+  CHECK_DEC_CONST(281474976710655);
+  CHECK_DEC_CONST(281474976710656);
+  CHECK_DEC_CONST(562949953421311);
+  CHECK_DEC_CONST(562949953421312);
+  CHECK_DEC_CONST(1125899906842623);
+  CHECK_DEC_CONST(1125899906842624);
+  CHECK_DEC_CONST(2251799813685247);
+  CHECK_DEC_CONST(2251799813685248);
+  CHECK_DEC_CONST(4503599627370495);
+  CHECK_DEC_CONST(4503599627370496);
+  CHECK_DEC_CONST(9007199254740991);
+  CHECK_DEC_CONST(9007199254740992);
+  CHECK_DEC_CONST(18014398509481983);
+  CHECK_DEC_CONST(18014398509481984);
+  CHECK_DEC_CONST(36028797018963967);
+  CHECK_DEC_CONST(36028797018963968);
+  CHECK_DEC_CONST(72057594037927935);
+  CHECK_DEC_CONST(72057594037927936);
+  CHECK_DEC_CONST(144115188075855871);
+  CHECK_DEC_CONST(144115188075855872);
+  CHECK_DEC_CONST(288230376151711743);
+  CHECK_DEC_CONST(288230376151711744);
+  CHECK_DEC_CONST(576460752303423487);
+  CHECK_DEC_CONST(576460752303423488);
+  CHECK_DEC_CONST(1152921504606846975);
+  CHECK_DEC_CONST(1152921504606846976);
+  CHECK_DEC_CONST(2305843009213693951);
+  CHECK_DEC_CONST(2305843009213693952);
+  CHECK_DEC_CONST(4611686018427387903);
+  CHECK_DEC_CONST(4611686018427387904);
+  CHECK_DEC_CONST(9223372036854775807);
+#if LLONG_AT_LEAST(65)
+  CHECK_DEC_CONST(9223372036854775808);
+  CHECK_DEC_CONST(18446744073709551615);
+#endif
+#if LLONG_AT_LEAST(66)
+  CHECK_DEC_CONST(18446744073709551616);
+  CHECK_DEC_CONST(36893488147419103231);
+#endif
+#if LLONG_AT_LEAST(67)
+  CHECK_DEC_CONST(36893488147419103232);
+  CHECK_DEC_CONST(73786976294838206463);
+#endif
+#if LLONG_AT_LEAST(68)
+  CHECK_DEC_CONST(73786976294838206464);
+  CHECK_DEC_CONST(147573952589676412927);
+#endif
+#if LLONG_AT_LEAST(69)
+  CHECK_DEC_CONST(147573952589676412928);
+  CHECK_DEC_CONST(295147905179352825855);
+#endif
+#if LLONG_AT_LEAST(70)
+  CHECK_DEC_CONST(295147905179352825856);
+  CHECK_DEC_CONST(590295810358705651711);
+#endif
+#if LLONG_AT_LEAST(71)
+  CHECK_DEC_CONST(590295810358705651712);
+  CHECK_DEC_CONST(1180591620717411303423);
+#endif
+#if LLONG_AT_LEAST(72)
+  CHECK_DEC_CONST(1180591620717411303424);
+  CHECK_DEC_CONST(2361183241434822606847);
+#endif
+  /* Octal and hexadecimal.  */
+  /* Check all 2^n and 2^n - 1 up to 2^72 - 1.  */
+  CHECK_OCT_CONST(0);
+  CHECK_HEX_CONST(0);
+  CHECK_OCT_CONST(01);
+  CHECK_HEX_CONST(1);
+  CHECK_OCT_CONST(02);
+  CHECK_HEX_CONST(2);
+  CHECK_OCT_CONST(03);
+  CHECK_HEX_CONST(3);
+  CHECK_OCT_CONST(04);
+  CHECK_HEX_CONST(4);
+  CHECK_OCT_CONST(07);
+  CHECK_HEX_CONST(7);
+  CHECK_OCT_CONST(010);
+  CHECK_HEX_CONST(8);
+  CHECK_OCT_CONST(017);
+  CHECK_HEX_CONST(f);
+  CHECK_OCT_CONST(020);
+  CHECK_HEX_CONST(10);
+  CHECK_OCT_CONST(037);
+  CHECK_HEX_CONST(1f);
+  CHECK_OCT_CONST(040);
+  CHECK_HEX_CONST(20);
+  CHECK_OCT_CONST(077);
+  CHECK_HEX_CONST(3f);
+  CHECK_OCT_CONST(0100);
+  CHECK_HEX_CONST(40);
+  CHECK_OCT_CONST(0177);
+  CHECK_HEX_CONST(7f);
+  CHECK_OCT_CONST(0200);
+  CHECK_HEX_CONST(80);
+  CHECK_OCT_CONST(0377);
+  CHECK_HEX_CONST(ff);
+  CHECK_OCT_CONST(0400);
+  CHECK_HEX_CONST(100);
+  CHECK_OCT_CONST(0777);
+  CHECK_HEX_CONST(1ff);
+  CHECK_OCT_CONST(01000);
+  CHECK_HEX_CONST(200);
+  CHECK_OCT_CONST(01777);
+  CHECK_HEX_CONST(3ff);
+  CHECK_OCT_CONST(02000);
+  CHECK_HEX_CONST(400);
+  CHECK_OCT_CONST(03777);
+  CHECK_HEX_CONST(7ff);
+  CHECK_OCT_CONST(04000);
+  CHECK_HEX_CONST(800);
+  CHECK_OCT_CONST(07777);
+  CHECK_HEX_CONST(fff);
+  CHECK_OCT_CONST(010000);
+  CHECK_HEX_CONST(1000);
+  CHECK_OCT_CONST(017777);
+  CHECK_HEX_CONST(1fff);
+  CHECK_OCT_CONST(020000);
+  CHECK_HEX_CONST(2000);
+  CHECK_OCT_CONST(037777);
+  CHECK_HEX_CONST(3fff);
+  CHECK_OCT_CONST(040000);
+  CHECK_HEX_CONST(4000);
+  CHECK_OCT_CONST(077777);
+  CHECK_HEX_CONST(7fff);
+  CHECK_OCT_CONST(0100000);
+  CHECK_HEX_CONST(8000);
+  CHECK_OCT_CONST(0177777);
+  CHECK_HEX_CONST(ffff);
+  CHECK_OCT_CONST(0200000);
+  CHECK_HEX_CONST(10000);
+  CHECK_OCT_CONST(0377777);
+  CHECK_HEX_CONST(1ffff);
+  CHECK_OCT_CONST(0400000);
+  CHECK_HEX_CONST(20000);
+  CHECK_OCT_CONST(0777777);
+  CHECK_HEX_CONST(3ffff);
+  CHECK_OCT_CONST(01000000);
+  CHECK_HEX_CONST(40000);
+  CHECK_OCT_CONST(01777777);
+  CHECK_HEX_CONST(7ffff);
+  CHECK_OCT_CONST(02000000);
+  CHECK_HEX_CONST(80000);
+  CHECK_OCT_CONST(03777777);
+  CHECK_HEX_CONST(fffff);
+  CHECK_OCT_CONST(04000000);
+  CHECK_HEX_CONST(100000);
+  CHECK_OCT_CONST(07777777);
+  CHECK_HEX_CONST(1fffff);
+  CHECK_OCT_CONST(010000000);
+  CHECK_HEX_CONST(200000);
+  CHECK_OCT_CONST(017777777);
+  CHECK_HEX_CONST(3fffff);
+  CHECK_OCT_CONST(020000000);
+  CHECK_HEX_CONST(400000);
+  CHECK_OCT_CONST(037777777);
+  CHECK_HEX_CONST(7fffff);
+  CHECK_OCT_CONST(040000000);
+  CHECK_HEX_CONST(800000);
+  CHECK_OCT_CONST(077777777);
+  CHECK_HEX_CONST(ffffff);
+  CHECK_OCT_CONST(0100000000);
+  CHECK_HEX_CONST(1000000);
+  CHECK_OCT_CONST(0177777777);
+  CHECK_HEX_CONST(1ffffff);
+  CHECK_OCT_CONST(0200000000);
+  CHECK_HEX_CONST(2000000);
+  CHECK_OCT_CONST(0377777777);
+  CHECK_HEX_CONST(3ffffff);
+  CHECK_OCT_CONST(0400000000);
+  CHECK_HEX_CONST(4000000);
+  CHECK_OCT_CONST(0777777777);
+  CHECK_HEX_CONST(7ffffff);
+  CHECK_OCT_CONST(01000000000);
+  CHECK_HEX_CONST(8000000);
+  CHECK_OCT_CONST(01777777777);
+  CHECK_HEX_CONST(fffffff);
+  CHECK_OCT_CONST(02000000000);
+  CHECK_HEX_CONST(10000000);
+  CHECK_OCT_CONST(03777777777);
+  CHECK_HEX_CONST(1fffffff);
+  CHECK_OCT_CONST(04000000000);
+  CHECK_HEX_CONST(20000000);
+  CHECK_OCT_CONST(07777777777);
+  CHECK_HEX_CONST(3fffffff);
+  CHECK_OCT_CONST(010000000000);
+  CHECK_HEX_CONST(40000000);
+  CHECK_OCT_CONST(017777777777);
+  CHECK_HEX_CONST(7fffffff);
+  CHECK_OCT_CONST(020000000000);
+  CHECK_HEX_CONST(80000000);
+  CHECK_OCT_CONST(037777777777);
+  CHECK_HEX_CONST(ffffffff);
+  CHECK_OCT_CONST(040000000000);
+  CHECK_HEX_CONST(100000000);
+  CHECK_OCT_CONST(077777777777);
+  CHECK_HEX_CONST(1ffffffff);
+  CHECK_OCT_CONST(0100000000000);
+  CHECK_HEX_CONST(200000000);
+  CHECK_OCT_CONST(0177777777777);
+  CHECK_HEX_CONST(3ffffffff);
+  CHECK_OCT_CONST(0200000000000);
+  CHECK_HEX_CONST(400000000);
+  CHECK_OCT_CONST(0377777777777);
+  CHECK_HEX_CONST(7ffffffff);
+  CHECK_OCT_CONST(0400000000000);
+  CHECK_HEX_CONST(800000000);
+  CHECK_OCT_CONST(0777777777777);
+  CHECK_HEX_CONST(fffffffff);
+  CHECK_OCT_CONST(01000000000000);
+  CHECK_HEX_CONST(1000000000);
+  CHECK_OCT_CONST(01777777777777);
+  CHECK_HEX_CONST(1fffffffff);
+  CHECK_OCT_CONST(02000000000000);
+  CHECK_HEX_CONST(2000000000);
+  CHECK_OCT_CONST(03777777777777);
+  CHECK_HEX_CONST(3fffffffff);
+  CHECK_OCT_CONST(04000000000000);
+  CHECK_HEX_CONST(4000000000);
+  CHECK_OCT_CONST(07777777777777);
+  CHECK_HEX_CONST(7fffffffff);
+  CHECK_OCT_CONST(010000000000000);
+  CHECK_HEX_CONST(8000000000);
+  CHECK_OCT_CONST(017777777777777);
+  CHECK_HEX_CONST(ffffffffff);
+  CHECK_OCT_CONST(020000000000000);
+  CHECK_HEX_CONST(10000000000);
+  CHECK_OCT_CONST(037777777777777);
+  CHECK_HEX_CONST(1ffffffffff);
+  CHECK_OCT_CONST(040000000000000);
+  CHECK_HEX_CONST(20000000000);
+  CHECK_OCT_CONST(077777777777777);
+  CHECK_HEX_CONST(3ffffffffff);
+  CHECK_OCT_CONST(0100000000000000);
+  CHECK_HEX_CONST(40000000000);
+  CHECK_OCT_CONST(0177777777777777);
+  CHECK_HEX_CONST(7ffffffffff);
+  CHECK_OCT_CONST(0200000000000000);
+  CHECK_HEX_CONST(80000000000);
+  CHECK_OCT_CONST(0377777777777777);
+  CHECK_HEX_CONST(fffffffffff);
+  CHECK_OCT_CONST(0400000000000000);
+  CHECK_HEX_CONST(100000000000);
+  CHECK_OCT_CONST(0777777777777777);
+  CHECK_HEX_CONST(1fffffffffff);
+  CHECK_OCT_CONST(01000000000000000);
+  CHECK_HEX_CONST(200000000000);
+  CHECK_OCT_CONST(01777777777777777);
+  CHECK_HEX_CONST(3fffffffffff);
+  CHECK_OCT_CONST(02000000000000000);
+  CHECK_HEX_CONST(400000000000);
+  CHECK_OCT_CONST(03777777777777777);
+  CHECK_HEX_CONST(7fffffffffff);
+  CHECK_OCT_CONST(04000000000000000);
+  CHECK_HEX_CONST(800000000000);
+  CHECK_OCT_CONST(07777777777777777);
+  CHECK_HEX_CONST(ffffffffffff);
+  CHECK_OCT_CONST(010000000000000000);
+  CHECK_HEX_CONST(1000000000000);
+  CHECK_OCT_CONST(017777777777777777);
+  CHECK_HEX_CONST(1ffffffffffff);
+  CHECK_OCT_CONST(020000000000000000);
+  CHECK_HEX_CONST(2000000000000);
+  CHECK_OCT_CONST(037777777777777777);
+  CHECK_HEX_CONST(3ffffffffffff);
+  CHECK_OCT_CONST(040000000000000000);
+  CHECK_HEX_CONST(4000000000000);
+  CHECK_OCT_CONST(077777777777777777);
+  CHECK_HEX_CONST(7ffffffffffff);
+  CHECK_OCT_CONST(0100000000000000000);
+  CHECK_HEX_CONST(8000000000000);
+  CHECK_OCT_CONST(0177777777777777777);
+  CHECK_HEX_CONST(fffffffffffff);
+  CHECK_OCT_CONST(0200000000000000000);
+  CHECK_HEX_CONST(10000000000000);
+  CHECK_OCT_CONST(0377777777777777777);
+  CHECK_HEX_CONST(1fffffffffffff);
+  CHECK_OCT_CONST(0400000000000000000);
+  CHECK_HEX_CONST(20000000000000);
+  CHECK_OCT_CONST(0777777777777777777);
+  CHECK_HEX_CONST(3fffffffffffff);
+  CHECK_OCT_CONST(01000000000000000000);
+  CHECK_HEX_CONST(40000000000000);
+  CHECK_OCT_CONST(01777777777777777777);
+  CHECK_HEX_CONST(7fffffffffffff);
+  CHECK_OCT_CONST(02000000000000000000);
+  CHECK_HEX_CONST(80000000000000);
+  CHECK_OCT_CONST(03777777777777777777);
+  CHECK_HEX_CONST(ffffffffffffff);
+  CHECK_OCT_CONST(04000000000000000000);
+  CHECK_HEX_CONST(100000000000000);
+  CHECK_OCT_CONST(07777777777777777777);
+  CHECK_HEX_CONST(1ffffffffffffff);
+  CHECK_OCT_CONST(010000000000000000000);
+  CHECK_HEX_CONST(200000000000000);
+  CHECK_OCT_CONST(017777777777777777777);
+  CHECK_HEX_CONST(3ffffffffffffff);
+  CHECK_OCT_CONST(020000000000000000000);
+  CHECK_HEX_CONST(400000000000000);
+  CHECK_OCT_CONST(037777777777777777777);
+  CHECK_HEX_CONST(7ffffffffffffff);
+  CHECK_OCT_CONST(040000000000000000000);
+  CHECK_HEX_CONST(800000000000000);
+  CHECK_OCT_CONST(077777777777777777777);
+  CHECK_HEX_CONST(fffffffffffffff);
+  CHECK_OCT_CONST(0100000000000000000000);
+  CHECK_HEX_CONST(1000000000000000);
+  CHECK_OCT_CONST(0177777777777777777777);
+  CHECK_HEX_CONST(1fffffffffffffff);
+  CHECK_OCT_CONST(0200000000000000000000);
+  CHECK_HEX_CONST(2000000000000000);
+  CHECK_OCT_CONST(0377777777777777777777);
+  CHECK_HEX_CONST(3fffffffffffffff);
+  CHECK_OCT_CONST(0400000000000000000000);
+  CHECK_HEX_CONST(4000000000000000);
+  CHECK_OCT_CONST(0777777777777777777777);
+  CHECK_HEX_CONST(7fffffffffffffff);
+  CHECK_OCT_CONST(01000000000000000000000);
+  CHECK_HEX_CONST(8000000000000000);
+  CHECK_OCT_CONST(01777777777777777777777);
+  CHECK_HEX_CONST(ffffffffffffffff);
+#if LLONG_AT_LEAST(65)
+  CHECK_OCT_CONST(02000000000000000000000);
+  CHECK_HEX_CONST(10000000000000000);
+  CHECK_OCT_CONST(03777777777777777777777);
+  CHECK_HEX_CONST(1ffffffffffffffff);
+#endif
+#if LLONG_AT_LEAST(66)
+  CHECK_OCT_CONST(04000000000000000000000);
+  CHECK_HEX_CONST(20000000000000000);
+  CHECK_OCT_CONST(07777777777777777777777);
+  CHECK_HEX_CONST(3ffffffffffffffff);
+#endif
+#if LLONG_AT_LEAST(67)
+  CHECK_OCT_CONST(010000000000000000000000);
+  CHECK_HEX_CONST(40000000000000000);
+  CHECK_OCT_CONST(017777777777777777777777);
+  CHECK_HEX_CONST(7ffffffffffffffff);
+#endif
+#if LLONG_AT_LEAST(68)
+  CHECK_OCT_CONST(020000000000000000000000);
+  CHECK_HEX_CONST(80000000000000000);
+  CHECK_OCT_CONST(037777777777777777777777);
+  CHECK_HEX_CONST(fffffffffffffffff);
+#endif
+#if LLONG_AT_LEAST(69)
+  CHECK_OCT_CONST(040000000000000000000000);
+  CHECK_HEX_CONST(100000000000000000);
+  CHECK_OCT_CONST(077777777777777777777777);
+  CHECK_HEX_CONST(1fffffffffffffffff);
+#endif
+#if LLONG_AT_LEAST(70)
+  CHECK_OCT_CONST(0100000000000000000000000);
+  CHECK_HEX_CONST(200000000000000000);
+  CHECK_OCT_CONST(0177777777777777777777777);
+  CHECK_HEX_CONST(3fffffffffffffffff);
+#endif
+#if LLONG_AT_LEAST(71)
+  CHECK_OCT_CONST(0200000000000000000000000);
+  CHECK_HEX_CONST(400000000000000000);
+  CHECK_OCT_CONST(0377777777777777777777777);
+  CHECK_HEX_CONST(7fffffffffffffffff);
+#endif
+#if LLONG_AT_LEAST(72)
+  CHECK_OCT_CONST(0400000000000000000000000);
+  CHECK_HEX_CONST(800000000000000000);
+  CHECK_OCT_CONST(0777777777777777777777777);
+  CHECK_HEX_CONST(ffffffffffffffffff);
+#endif
+}