view gcc/testsuite/c-c++-common/Wshift-count-overflow-1.c @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 1830386684a0
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/* { dg-do compile } */
/* { dg-options "-Wshift-count-overflow" } */

void foo()
{
  unsigned i1 = 1U << (sizeof(unsigned) * __CHAR_BIT__); /* { dg-warning "left shift count >= width of type" } */
  unsigned i2 = 1U >> (sizeof(unsigned) * __CHAR_BIT__); /* { dg-warning "right shift count >= width of type" } */
}