Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/pr48418.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 1830386684a0 |
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/* PR c/48418 */ /* { dg-do compile } */ /* { dg-options "-Wall -O2" } */ int foo (int x) { const int a = sizeof (int) * __CHAR_BIT__; const int b = -7; int c = 0; c += x << a; /* { dg-warning "left shift count >= width of type" } */ c += x << b; /* { dg-warning "left shift count is negative" } */ c += x << (sizeof (int) * __CHAR_BIT__); /* { dg-warning "left shift count >= width of type" } */ c += x << -7; /* { dg-warning "left shift count is negative" } */ c += x >> a; /* { dg-warning "right shift count >= width of type" } */ c += x >> b; /* { dg-warning "right shift count is negative" } */ c += x >> (sizeof (int) * __CHAR_BIT__); /* { dg-warning "right shift count >= width of type" } */ c += x >> -7; /* { dg-warning "right shift count is negative" } */ return c; }