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/* PR tree-optimization/90989 - incorrrect strlen result after second strcpy
into the same destination.
{ dg-do compile }
{ dg-options "-O2 -Wall -fdump-tree-optimized" } */
// #include "strlenopt.h"
char a[4];
int f4 (void)
{
char b[4];
__builtin_strcpy (b, "12");
int i = __builtin_strcmp (a, b);
__builtin_strcpy (b, "123");
if (__builtin_strlen (b) != 3)
__builtin_abort ();
return i;
}
int f6 (void)
{
char b[6];
__builtin_strcpy (b, "1234");
int i = __builtin_strcmp (a, b);
__builtin_strcpy (b, "12345");
if (__builtin_strlen (b) != 5)
__builtin_abort ();
return i;
}
int f8 (void)
{
char b[8];
__builtin_strcpy (b, "1234");
int i = __builtin_strcmp (a, b);
__builtin_strcpy (b, "1234567");
if (__builtin_strlen (b) != 7)
__builtin_abort ();
return i;
}
/* { dg-final { scan-tree-dump-times "abort|strlen" 0 "optimized" } } */
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