diff options
Diffstat (limited to 'test/Sema/compare.c')
| -rw-r--r-- | test/Sema/compare.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/test/Sema/compare.c b/test/Sema/compare.c index ae261432dc..97586a7cc0 100644 --- a/test/Sema/compare.c +++ b/test/Sema/compare.c @@ -308,8 +308,59 @@ int rdar8414119_bar(unsigned x) { int rdar8511238() { enum A { A_foo, A_bar }; enum A a; + + if (a == 0) + return 0; + if (a != 0) + return 0; if (a < 0) // expected-warning {{comparison of unsigned enum expression < 0 is always false}} - return 0; + return 0; + if (a <= 0) + return 0; + if (a > 0) + return 0; + if (a >= 0) // expected-warning {{comparison of unsigned enum expression >= 0 is always true}} + return 0; + + if (0 == a) + return 0; + if (0 != a) + return 0; + if (0 < a) + return 0; + if (0 <= a) // expected-warning {{comparison of 0 <= unsigned enum expression is always true}} + return 0; + if (0 > a) // expected-warning {{comparison of 0 > unsigned enum expression is always false}} + return 0; + if (0 >= a) + return 0; + + if (a == 0U) + return 0; + if (a != 0U) + return 0; + if (a < 0U) // expected-warning {{comparison of unsigned enum expression < 0 is always false}} + return 0; + if (a <= 0U) + return 0; + if (a > 0U) + return 0; + if (a >= 0U) // expected-warning {{comparison of unsigned enum expression >= 0 is always true}} + return 0; + + if (0U == a) + return 0; + if (0U != a) + return 0; + if (0U < a) + return 0; + if (0U <= a) // expected-warning {{comparison of 0 <= unsigned enum expression is always true}} + return 0; + if (0U > a) // expected-warning {{comparison of 0 > unsigned enum expression is always false}} + return 0; + if (0U >= a) + return 0; + return 20; } |