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view gcc/testsuite/c-c++-common/Wshift-count-overflow-1.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
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line source

/* { dg-do compile } */
/* { dg-options "-Wshift-count-overflow" } */

void foo()
{
  unsigned i1 = 1U << (sizeof(unsigned) * __CHAR_BIT__); /* { dg-warning "20:left shift count >= width of type" } */
  unsigned i2 = 1U >> (sizeof(unsigned) * __CHAR_BIT__); /* { dg-warning "20:right shift count >= width of type" } */
}