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/* { dg-do compile } */
/* { dg-options "-O2 -fdelete-null-pointer-checks" } */
/* { dg-require-weak "" } */
/* { dg-skip-if "" keeps_null_pointer_checks } */
extern int a; /* { dg-error "declared weak after being used" } */
int
t()
{
return &a!=0;
}
extern int a __attribute__ ((weak));
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