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re PR middle-end/37669 (ice for legal code with -O2)

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2008-09-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/37669
        * gcc.c-torture/compile/pr37669.c: New test.

From-SVN: r140765
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Andrew Pinski 2008-09-29 21:23:52 +00:00 committed by Andrew Pinski
parent 567075ed31
commit 2dda7d28ea
2 changed files with 40 additions and 0 deletions
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gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-09-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR middle-end/37669
* gcc.c-torture/compile/pr37669.c: New test.
2008-09-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR target/37640

35
gcc/testsuite/gcc.c-torture/compile/pr37669.c Normal file
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@ -0,0 +1,35 @@
/* This testcase used to fail because a miscompiled execute_fold_all_builtins. */
typedef long unsigned int size_t;
extern __inline __attribute__ ((__always_inline__)) int __attribute__
((__nothrow__)) snprintf (char *__restrict __s, size_t __n, __const char
*__restrict __fmt, ...) {
return __builtin___snprintf_chk (__s, __n, 2 - 1,
__builtin_object_size (__s, 2 > 1), __fmt, __builtin_va_arg_pack ());
}
int n1, n2, n3, n4, f5, f6;
char * BackgroundGetUniqueString(void)
{
char s[256];
const char *chmap =
"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
snprintf(s, sizeof(s),
"%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",
chmap[(n1 >> 0) & 0x3f], chmap[(n1 >> 6) & 0x3f],
chmap[(n1 >> 12) & 0x3f], chmap[(n1 >> 18) & 0x3f],
chmap[(n1 >> 24) & 0x3f], chmap[(n1 >> 28) & 0x3f],
chmap[(n2 >> 0) & 0x3f], chmap[(n2 >> 6) & 0x3f],
chmap[(n2 >> 12) & 0x3f], chmap[(n2 >> 18) & 0x3f],
chmap[(n2 >> 24) & 0x3f], chmap[(n2 >> 28) & 0x3f],
chmap[(n3 >> 0) & 0x3f], chmap[(n3 >> 6) & 0x3f],
chmap[(n3 >> 12) & 0x3f], chmap[(n3 >> 18) & 0x3f],
chmap[(n3 >> 24) & 0x3f], chmap[(n3 >> 28) & 0x3f],
chmap[(n4 >> 0) & 0x3f], chmap[(n4 >> 6) & 0x3f],
chmap[(n4 >> 12) & 0x3f], chmap[(n4 >> 18) & 0x3f],
chmap[(n4 >> 24) & 0x3f], chmap[(n4 >> 28) & 0x3f],
chmap[(f5 >> 12) & 0x3f], chmap[(f5 >> 18) & 0x3f],
chmap[(f5 >> 24) & 0x3f], chmap[(f5 >> 28) & 0x3f],
chmap[(f6 >> 0) & 0x3f], chmap[(f6 >> 6) & 0x3f]
);
return __builtin_strdup(s);
}