1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c23-constexpr-9.c b/gcc/testsuite/gcc.dg/c23-constexpr-9.c
new file mode 100644
index 0000000..1370583
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c23-constexpr-9.c
@@ -0,0 +1,45 @@
+/* Test C23 constexpr.  Invalid code, compilation tests, IEEE arithmetic.  */
+/* { dg-do compile } */
+/* { dg-options "-std=c23 -pedantic-errors" } */
+/* { dg-add-options ieee } */
+/* { dg-require-effective-target inff } */
+
+/* A conversion from signaling NaN to quiet NaN in a different format or type
+   is not valid for constexpr.  */
+constexpr float fns = __builtin_nans (""); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr double dns = __builtin_nansf (""); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr long double ldns = __builtin_nans (""); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+
+/* Test out-of-range values.  */
+constexpr float fu = __DBL_MIN__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr float fo = __DBL_MAX__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr float fp = 0x1.ffffffp0; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+
+constexpr _Complex float cfur = __builtin_complex (__DBL_MIN__, 0.0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr _Complex float cfor = __builtin_complex (__DBL_MAX__, 0.0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr _Complex float cfpr = __builtin_complex (0x1.ffffffp0, 0.0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+
+constexpr _Complex float cfui = __builtin_complex (0.0, __DBL_MIN__); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr _Complex float cfoi = __builtin_complex (0.0, __DBL_MAX__); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr _Complex float cfpi = __builtin_complex (0.0, 0x1.ffffffp0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
+
+constexpr _Complex float cfd = __DBL_MAX__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+constexpr _Complex float cfi = __LONG_LONG_MAX__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+
+void
+f0 ()
+{
+  (constexpr float) { __builtin_nans ("") }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr double) { __builtin_nansf ("") }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr float) { __DBL_MIN__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr float) { __DBL_MAX__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr float) { 0x1.ffffffp0 }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __builtin_complex (__DBL_MIN__, 0.0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __builtin_complex (__DBL_MAX__, 0.0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __builtin_complex (0x1.ffffffp0, 0.0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __builtin_complex (0.0, __DBL_MIN__) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __builtin_complex (0.0, __DBL_MAX__) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __builtin_complex (0.0, 0x1.ffffffp0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __DBL_MAX__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+  (constexpr _Complex float) { __LONG_LONG_MAX__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
+}