gcc/testsuite/gcc.dg/pr97979.c

   1 /* PR tree-optimization/97979 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fno-tree-ccp" } */
   4
   5 short a = 0;
   6 int b = 0;
   7
   8 void
   9 foo (void)
  10 {
  11   unsigned short d = b;
  12   a = d >> -2U; /* { dg-warning "right shift count >= width of type" } */
  13 }