Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/c-c++-common/pr65120.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
|---|---|
| 1 /* { dg-do compile } */ | |
| 2 /* { dg-options "-Wlogical-not-parentheses" } */ | |
| 3 | |
| 4 /* Test that we don't warn if rhs is 0 and comparison is == or !=. */ | |
| 5 | |
| 6 #ifndef __cplusplus | |
| 7 #define bool _Bool | |
| 8 #endif | |
| 9 | |
| 10 bool r; | |
| 11 | |
| 12 int | |
| 13 f1 (int a) | |
| 14 { | |
| 15 r = !a == 0; | |
| 16 r = !a != 0; | |
| 17 r = !a == 1; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 18 r = !a != 1; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 19 } | |
| 20 | |
| 21 int | |
| 22 f2 (int a) | |
| 23 { | |
| 24 r = !a > 0; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 25 r = !a >= 0; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 26 r = !a < 0; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 27 r = !a <= 0; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 28 r = !a > 1; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 29 r = !a >= 1; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 30 r = !a < 1; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 31 r = !a <= 1; /* { dg-warning "logical not is only applied to the left hand side of comparison" } */ | |
| 32 } |