gcc/testsuite/gcc.dg/c11-true_min-1.c


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/* { dg-do run } */
/* { dg-options "-std=c11" } */
/* { dg-xfail-run-if "PR58757 -mieee is required to compare denormals" { alpha*-*-* } { "*" } { "" } } */

/* Test that the smallest positive value is not 0. This needs to be true
   even when denormals are not supported, so we do not pass any flag
   like -mieee.  */

#include <float.h>

int main(){
  volatile float f = FLT_TRUE_MIN;
  volatile double d = DBL_TRUE_MIN;
  volatile long double l = LDBL_TRUE_MIN;
  if (f == 0 || d == 0 || l == 0)
    __builtin_abort ();
  return 0;
}