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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/pr59846.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr59846.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/pr59846.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr59846.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr59846.c new file mode 100644 index 000000000..b3dd0de9e --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr59846.c @@ -0,0 +1,39 @@ +/* PR c/59846 */ +/* { dg-do compile } */ +/* { dg-options "-Wlogical-op -Wtype-limits" } */ + +_Bool +fn1 (unsigned int p) +{ + return 0ULL > p; /* { dg-warning "15:comparison is always false due to limited range of data type" } */ +} + +_Bool +fn2 (unsigned int p) +{ + return 0ULL <= p; /* { dg-warning "15:comparison is always true due to limited range of data type" } */ +} + +_Bool +fn3 (unsigned int p) +{ + return p >= 0U; /* { dg-warning "12:comparison of unsigned expression >= 0 is always true" } */ +} + +_Bool +fn4 (unsigned int p) +{ + return p < 0U; /* { dg-warning "12:comparison of unsigned expression < 0 is always false" } */ +} + +_Bool +fn5 (_Bool p) +{ + return p || !p; /* { dg-warning "12:logical" } */ +} + +_Bool +fn6 (_Bool p) +{ + return p && !p; /* { dg-warning "12:logical" } */ +} |