1 /* { dg-do compile } */
2 /* { dg-options "-Wshift-count-overflow" } */
3 
foo()4 void foo()
5 {
6   unsigned i1 = 1U << (sizeof(unsigned) * __CHAR_BIT__); /* { dg-warning "20:left shift count >= width of type" } */
7   unsigned i2 = 1U >> (sizeof(unsigned) * __CHAR_BIT__); /* { dg-warning "20:right shift count >= width of type" } */
8 }
9