diff options
| author | manu <manu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-06 16:17:41 +0000 |
|---|---|---|
| committer | manu <manu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-06 16:17:41 +0000 |
| commit | 13869a997eacda65a4fc0cd0176a83290c54a819 (patch) | |
| tree | a1e568cec33c05d17fd32cf2c3885137e848b1ce /gcc/testsuite/gcc.dg/pr8715.c | |
| parent | 8deb3959b001122f1d9f0f8320adc8bc77844046 (diff) | |
| download | gcc-13869a997eacda65a4fc0cd0176a83290c54a819.tar.gz | |
2008-08-06 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 8715
* c-common.c (warn_for_sign_compare): New. Handle separately the
case that 'constant' is zero.
* c-typeck.c (build_binary_op): Move code to c-common.c
cp/
* typeck.c (cp_build_binary_op): Move code to c-common.c.
testsuite/
* gcc.dg/pr8715.c: New.
* g++.dg/warn/pr8715.C: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138814 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr8715.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr8715.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr8715.c b/gcc/testsuite/gcc.dg/pr8715.c new file mode 100644 index 00000000000..e45e77c09f4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr8715.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-Wsign-compare -std=c99" } */ + +#include <stdbool.h> + +int foo() +{ + unsigned char b = '1'; + + bool x = ~b; /* { dg-warning "promoted ~unsigned is always non-zero" } */ + + return 0; +} |