File: foldaddr-1.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-original" } */
#include <stddef.h>

char *a;
int foo(char *b)
{
        return a+5+(ptrdiff_t)b == (ptrdiff_t)b+a;
}

/* Folding should have determined that the two addresses were
   not identical and thus collapsed the function into a trivial
   "return 0".  */
/* { dg-final { scan-tree-dump-times "return 0" 1 "original" } } */