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authorManuel López-Ibáñez <manu@gcc.gnu.org>2008-10-29 17:16:46 +0000
committerManuel López-Ibáñez <manu@gcc.gnu.org>2008-10-29 17:16:46 +0000
commitcdd6a337c0e1c4a07a0a45686dcaa159e51f451c (patch)
tree42ccc636ef21cba0db86051f05076ac6b24aa628 /gcc/testsuite/gcc.dg/pr11492.c
parent20ded7a68b10f9c2d1aaa94e89df494bf0ce41a0 (diff)
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re PR middle-end/11492 (Bogus warning with -Wsign-compare)
2008-10-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org> PR 11492 * c-common.c (min_precision): Move to... * tree.c (tree_int_cst_min_precision): ... to here. Renamed. * tree.h (tree_int_cst_min_precision): Declare. * c-common.h (min_precision): Delete declaration. * fold-const.c (tree_binary_nonnegative_warnv_p): Handle multiplication of non-negative integer constants. * c-decl.c (check_bitfield_type_and_width): Rename min_precision to tree_int_cst_min_precision. (finish_enum): Likewise. cp/ * class.c (check_bitfield_decl): Rename min_precision to tree_int_cst_min_precision. * decl.c (finish_enum): Likewise. testsuite/ * gcc.dg/pr11492.c: New. * g++.dg/warn/pr11492.C: New. From-SVN: r141434
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr11492.c')
-rw-r--r--gcc/testsuite/gcc.dg/pr11492.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr11492.c b/gcc/testsuite/gcc.dg/pr11492.c
new file mode 100644
index 0000000..9d79f45
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr11492.c
@@ -0,0 +1,12 @@
+/* PR11492 */
+/* { dg-do compile } */
+/* { dg-options "-Wsign-compare" } */
+int main( void )
+{
+ unsigned int a;
+ unsigned char b;
+ for ( a = 0, b = 2; a > b * 1000; a++ ) /* { dg-bogus "comparison between signed and unsigned integer" } */
+ { ; }
+
+ return 0;
+}