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/* This testcase caused ICE in do_SUBST on IA-32, because 0xf6 constant

   was not sign-extended for QImode.  */

/* { dg-do run } */

/* { dg-options "-O2" } */

/* { dg-options "-O2 -mtune=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */

#include <limits.h>

void abort (void);

void exit (int);

void foo (void)

{

  int i;

  char *p;

  p = (char *) &i;

  *p = -10;

  if (* (unsigned char *) p != 0x100 - 10)

    abort ();

}

int main (void)

{

  if (UCHAR_MAX == 255)

    foo ();

  exit (0);

}