diff options
Diffstat (limited to 'test/Sema/warn-unreachable.c')
| -rw-r--r-- | test/Sema/warn-unreachable.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Sema/warn-unreachable.c b/test/Sema/warn-unreachable.c index 636513f..2fbe1c7 100644 --- a/test/Sema/warn-unreachable.c +++ b/test/Sema/warn-unreachable.c @@ -132,3 +132,12 @@ void PR9774(int *s) { s[i] = 0; } +// Test case for <rdar://problem/11005770>. We should treat code guarded +// by 'x & 0' and 'x * 0' as unreachable. +void calledFun(); +void test_mul_and_zero(int x) { + if (x & 0) calledFun(); // expected-warning {{will never be executed}} + if (0 & x) calledFun(); // expected-warning {{will never be executed}} + if (x * 0) calledFun(); // expected-warning {{will never be executed}} + if (0 * x) calledFun(); // expected-warning {{will never be executed}} +} |
