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author | Chris Lattner <sabre@nondot.org> | 2010-07-13 19:41:32 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-07-13 19:41:32 +0000 |
commit | 8406c5197b7f3315e32db21b637504f33560c6bd (patch) | |
tree | 5c472b358c7e223aaf1e99819940a579ee133ec1 /clang/test/Sema/exprs.c | |
parent | 1e0213a75827425e19ca8f3dfe9604f23fbe3609 (diff) | |
download | bcm5719-llvm-8406c5197b7f3315e32db21b637504f33560c6bd.tar.gz bcm5719-llvm-8406c5197b7f3315e32db21b637504f33560c6bd.zip |
Add a warning to catch a bug recently caught by code review, like this:
t2.c:2:12: warning: use of logical && with constant operand; switch to bitwise &
or remove constant [-Wlogical-bitwise-confusion]
return x && 4;
^ ~
wording improvement suggestions are welcome.
llvm-svn: 108260
Diffstat (limited to 'clang/test/Sema/exprs.c')
-rw-r--r-- | clang/test/Sema/exprs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/test/Sema/exprs.c b/clang/test/Sema/exprs.c index b22b5220f28..54e44693e08 100644 --- a/clang/test/Sema/exprs.c +++ b/clang/test/Sema/exprs.c @@ -142,3 +142,6 @@ void test19() { *(volatile int*)0 = 0; // Ok. } +int test20(int x) { + return x && 4; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} +} |