gcc/testsuite/gcc.dg/associative-math-2.c

/* Test __ASSOCIATIVE_MATH__ is not defined with -fno-associative-math.  */
/* { dg-do compile } */
/* { dg-options "-fno-associative-math" } */

#ifdef __ASSOCIATIVE_MATH__
#error "__ASSOCIATIVE_MATH__ defined"
#endif

#pragma GCC optimize "-fassociative-math"
#ifndef __ASSOCIATIVE_MATH__
#error "__ASSOCIATIVE_MATH__ not defined"
#endif

#pragma GCC optimize "-fno-associative-math"
#ifdef __ASSOCIATIVE_MATH__
#error "__ASSOCIATIVE_MATH__ defined"
#endif