gcc-4.4.3/gcc/testsuite/gcc.target/i386/pr33600.c


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/* { dg-do compile } */
/* { dg-options "-O2" } */
int f(int n)
{
        int x;

        asm("" : "=&c"(n), "=r"(x) : "1"(n), "0"(n));

        return n;
}