diff options
Diffstat (limited to 'clang/test/Analysis/dead-stores.c')
| -rw-r--r-- | clang/test/Analysis/dead-stores.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/Analysis/dead-stores.c b/clang/test/Analysis/dead-stores.c index c72bdcf2b45..7d7b3696379 100644 --- a/clang/test/Analysis/dead-stores.c +++ b/clang/test/Analysis/dead-stores.c @@ -147,3 +147,19 @@ int f18() { return (x = 10); // expected-warning{{Although the value stored to 'x' is used in the enclosing expression, the value is never actually read from 'x'}} } + +// PR 3514: false positive `dead initialization` warning for init to global +// http://llvm.org/bugs/show_bug.cgi?id=3514 +extern const int MyConstant; +int f19(void) { + int x = MyConstant; // no-warning + x = 1; + return x; +} + +int f19b(void) { // FIXME: Should this case be considered the same as f19? + const int MyConstant = 0; + int x = MyConstant; // expected-warning{{never read}} + x = 1; + return x; +} |

