gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20031012-1.c


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/* PR optimization/8750
   Used to fail under Cygwin with 
   -O2 -fomit-frame-pointer        
   Testcase by David B. Trout     */

#if defined(STACK_SIZE) && STACK_SIZE < 16000
#define ARRAY_SIZE (STACK_SIZE / 2)
#define STRLEN	   (ARRAY_SIZE - 9)
#else
#define ARRAY_SIZE 15000
#define STRLEN     13371
#endif

extern void *memset (void *, int, __SIZE_TYPE__);
extern void abort (void);

static void foo ()
{
    char a[ARRAY_SIZE];

    a[0]=0;
    memset( &a[0], 0xCD, STRLEN );
    a[STRLEN]=0;
    if (strlen(a) != STRLEN)
      abort ();
}

int main ( int argc, char* argv[] )
{
    foo();
    return 0;
}