1 /* { dg-do compile } */ 2 /* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=4" } */ 3 4 /* Source: Ian Lance Taylor. */ 5 6 int foo(int j)7foo (int j) 8 { 9 int i; 10 int sum = 0; 11 12 for (i = 1; i < j; i += i) 13 sum += __builtin_abs (i); /* { dg-warning "assuming signed overflow does not occur" "" { xfail *-*-* } } */ 14 return sum; 15 } 16