extern void abort(void);
extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
void reach_error() { __assert_fail("0", "float-no-simp3.c", 3, "reach_error"); }

int main()
{
  // basic math
  float fs1=2.0f/6.0f;
  float fs2=fs1*6.0f;
  if(!((int)fs2==2)) {reach_error();abort();}
}