Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr60087.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/60087 */ /* { dg-do compile } */ /* { dg-options "-Wsign-compare" } */ void foo (unsigned int ui, int i) { const unsigned char uc = 0; _Bool b; b = 0 != ~uc; /* { dg-warning "9:promoted bitwise complement of an unsigned value is always nonzero" } */ b = 2 != ~uc; /* { dg-warning "9:comparison of promoted bitwise complement of an unsigned value with constant" } */ b = uc == ~uc; /* { dg-warning "10:comparison of promoted bitwise complement of an unsigned value with unsigned" } */ b = i == ui; /* { dg-warning "9:comparison of integer expressions of different signedness" } */ }