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| author | Fariborz Jahanian <fjahanian@apple.com> | 2013-01-25 17:19:07 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2013-01-25 17:19:07 +0000 |
| commit | 78c28be6873965cce4026bbebef18c6224b5287d (patch) | |
| tree | ce1687bb284781b8f44f7e4e0a8f0732e95bf26d /test/Sema/switch-1.c | |
| parent | e992ed1a065d857947b3969e6b779c41cc35c234 (diff) | |
| download | clang-78c28be6873965cce4026bbebef18c6224b5287d.tar.gz | |
Improve diagnsotic further on integer overflow.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173461 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Sema/switch-1.c')
| -rw-r--r-- | test/Sema/switch-1.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/test/Sema/switch-1.c b/test/Sema/switch-1.c index 50129c3ee2..4a5ded3b41 100644 --- a/test/Sema/switch-1.c +++ b/test/Sema/switch-1.c @@ -4,14 +4,15 @@ int f(int i) { switch (i) { - case 2147483647 + 2: // expected-warning {{overflow of constant expression results in value -2147483647 of type 'int'}} + case 2147483647 + 2: // expected-warning {{overflow in expression;result is -2147483647 with type 'int'}} return 1; - case 9223372036854775807L * 4: // expected-warning {{overflow of constant expression results in value -4 of type 'long'}} + case 9223372036854775807L * 4: // expected-warning {{overflow in expression;result is -4 with type 'long'}} return 2; - case (123456 *789012) + 1: // expected-warning {{overflow of constant expression results in value -1375982336 of type 'int'}} + case (123456 *789012) + 1: // expected-warning {{overflow in expression;result is -1375982336 with type 'int'}} return 3; case 2147483647: return 0; } - return 0; + return (i, 65537) * 65537; // expected-warning {{overflow in expression;result is 131073 with type 'int'}} \ + // expected-warning {{expression result unused}} } |