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/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-O2 --param allow-store-data-races=0" } */
#include <stdlib.h>
struct bits
{
char a;
int b:7;
int c:9;
unsigned char d;
} x;
struct bits *p;
static void allocit()
{
p = (struct bits *) malloc (sizeof (struct bits));
}
/* Store into <c> should not clobber <d>. */
/* We should not use a 32-bit move to store into p->, but a smaller move. */
void foo()
{
allocit();
p -> c = 55;
}
/* { dg-final { scan-assembler "mov\[bw\]" } } */
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