Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr59846.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* PR c/59846 */ /* { dg-do compile } */ /* { dg-options "-Wlogical-op -Wtype-limits" } */ _Bool fn1 (unsigned int p) { return 0ULL > p; /* { dg-warning "15:comparison is always false due to limited range of data type" } */ } _Bool fn2 (unsigned int p) { return 0ULL <= p; /* { dg-warning "15:comparison is always true due to limited range of data type" } */ } _Bool fn3 (unsigned int p) { return p >= 0U; /* { dg-warning "12:comparison of unsigned expression in '>= 0' is always true" } */ } _Bool fn4 (unsigned int p) { return p < 0U; /* { dg-warning "12:comparison of unsigned expression in '< 0' is always false" } */ } _Bool fn5 (_Bool p) { return p || !p; /* { dg-warning "12:logical" } */ } _Bool fn6 (_Bool p) { return p && !p; /* { dg-warning "12:logical" } */ }