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| author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
|---|---|---|
| committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
| commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
| tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/pr32207.c | |
| download | cbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.bz2 cbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.xz | |
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Diffstat (limited to 'gcc/testsuite/gcc.dg/pr32207.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr32207.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr32207.c b/gcc/testsuite/gcc.dg/pr32207.c new file mode 100644 index 000000000..cf9bef809 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr32207.c @@ -0,0 +1,9 @@ +/* Test warning for comparison non-null address with null pointer constant. */ +/* Origin: Pawel Sikora <pluto@agmk.net> */ +/* { dg-do compile } */ +/* { dg-options "-Waddress" } */ +extern void z(); + +void f() { if ( z ) z(); } /* { dg-warning "always evaluate as" } */ +void g() { if ( z != 0 ) z(); } /* { dg-warning "the comparison will always evaluate as 'true'" } */ +void h() { if ( z != (void*)0 ) z(); } /* { dg-warning "the comparison will always evaluate as 'true'" } */ |