Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr60087.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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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 ~unsigned is always non-zero" } */ b = 2 != ~uc; /* { dg-warning "9:comparison of promoted ~unsigned with constant" } */ b = uc == ~uc; /* { dg-warning "10:comparison of promoted ~unsigned with unsigned" } */ b = i == ui; /* { dg-warning "9:comparison of integer expressions of different signedness" } */ }