1 /* Extracted from PR middle-end/11771. */ 2 /* The following testcase used to ICE without -ffast-math from unbounded 3 recursion in fold. This was due to the logic in negate_expr_p not 4 matching that in negate_expr. */ 5 f(double x)6double f(double x) { 7 return -(1 - x) + (x ? -(1 - x) : 0); 8 } 9 10