Floating point traps on x86/glibc 2.1.2

[Florian Weimer]

Isn't the following program supposed to be killed by SIGFPE?  It
prints `inf', just as if the call to fesetenv() wasn't there. 

#include <fenv.h>

main()
{
  fesetenv (FE_NOMASK_ENV);
  printf("%g\n", 1.0 / 0.0);
}