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re PR rtl-optimization/8750 (Cygwin prolog generation erroneously emitting __alloca as regular function call)

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PR optimization/8750
	* gcc.c-torture/execute/20031012-1.c: New Test Case.

From-SVN: r72402
This commit is contained in:
R. Kelley Cook 2003-10-12 17:10:12 +00:00
parent bc0ff407ce
commit cc956bfdf4
2 changed files with 40 additions and 3 deletions
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11
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2003-10-12 Kelley Cook <kcook@gcc.gnu.org>
PR optimization/8750
* gcc.c-torture/execute/20031012-1.c: New test case.
2003-10-11 Roger Sayle <roger@eyesopen.com>
* gcc.c-torture/execute/string-opt-8.c: Don't test optimizations
@ -16,7 +21,7 @@
* gcc.c-torture/compile/20031011-1.c: New test.
Sat Oct 11 12:26:16 CEST 2003 Jan Hubicka <jh@suse.cz>
2003-10-11 Jan Hubicka <jh@suse.cz>
* g++.dg/other/first-global.C: New test.
@ -12876,12 +12881,12 @@ Mon 18-Sep-2000 19:23:11 BST Neil Booth <NeilB@earthling.net>
* gcc.c-torture/execute/20000917-1.c: New test.
* gcc.c-torture/execute/20000917-1.x: XFAIL.
Sat 16-Sep-2000 08:14:58 BST Neil Booth <NeilB@earthling.net>
2000-09-16 Neil Booth <NeilB@earthling.net>
* gcc.dg/cpp/macro2.c: Testcase for multi-context arguments
in nested macro bug.
Fri 15-Sep-2000 06:50:11 BST Neil Booth <NeilB@earthling.net>
2000-09-15 Neil Booth <NeilB@earthling.net>
* gcc.dg/cpp/paste10.c: Testcase for PASTE_LEFT buglet.

32
gcc/testsuite/gcc.c-torture/execute/20031012-1.c Normal file
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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;
}