[PATCH] Fix PR45702

[Richard Guenther]

This moves the problematic testcases to the LTO testsuite where we
have more knobs.

Tested on x86_64-unknown-linux-gnu, committed.

Richard.

2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR testsuite/45702
	* gcc.dg/pr34989-1.c: Move ...
	* gcc.dg/lto/pr34989-1_0.c: ... here.
	* gcc.dg/pr34989-2.c: Move ...
	* gcc.dg/lto/pr34989-1_1.c: ... here.
	* gcc.dg/pr27898.c: Move ...
	* gcc.dg/lto/pr27898_0.c: ... here and ...
	* gcc.dg/lto/pr27898_1.c: ... split.
	* gcc.dg/pr28712.c: Move ...
	* gcc.dg/lto/pr28712_0.c: ... here and ...
	* gcc.dg/lto/pr28712_1.c: ... split ...
	* gcc.dg/lto/pr28712_2.c: ... twice.
	* gcc.dg/pr28706.c: Move ...
	* gcc.dg/lto/pr28706_0.c: ... here and ...
	* gcc.dg/lto/pr28706_1.c: ... split.

Index: gcc/testsuite/gcc.dg/pr34989-1.c
===================================================================
*** gcc/testsuite/gcc.dg/pr34989-1.c	(revision 166302)
--- gcc/testsuite/gcc.dg/pr34989-1.c	(working copy)
***************
*** 1,11 ****
- /* { dg-do link } */
- /* { dg-require-effective-target lto } */
- /* { dg-options "-flto -r -nostdlib -O2" } */
- /* { dg-additional-sources "pr34989-2.c" } */
- 
- extern struct globals *const ptr_to_globals;
- struct globals { };
- int syslogd_main(int argc, char **argv)
- {
-  (*(struct globals**)&ptr_to_globals) = 0;
- }
--- 0 ----
Index: gcc/testsuite/gcc.dg/pr34989-2.c
===================================================================
*** gcc/testsuite/gcc.dg/pr34989-2.c	(revision 166302)
--- gcc/testsuite/gcc.dg/pr34989-2.c	(working copy)
***************
*** 1,3 ****
- /* { dg-do compile } */
- 
- extern struct globals *const ptr_to_globals;
--- 0 ----
Index: gcc/testsuite/gcc.dg/pr27898.c
===================================================================
*** gcc/testsuite/gcc.dg/pr27898.c	(revision 166302)
--- gcc/testsuite/gcc.dg/pr27898.c	(working copy)
***************
*** 1,9 ****
- /* PR c/27898 */
- /* { dg-do link } */
- /* { dg-require-effective-target lto } */
- /* { dg-options "-flto -r -nostdlib" } */
- /* { dg-additional-sources "pr27898.c" } */
- 
- union u { struct { int i; }; };
- 
- extern int foo (union u *);
--- 0 ----
Index: gcc/testsuite/gcc.dg/lto/pr28712_2.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr28712_2.c	(revision 0)
--- gcc/testsuite/gcc.dg/lto/pr28712_2.c	(revision 0)
***************
*** 0 ****
--- 1,13 ----
+ /* PR c/28712 */
+ 
+ struct A;
+ 
+ extern struct A *a;
+ 
+ struct A { } __attribute__((packed));
+ 
+ struct B __attribute__((aligned (sizeof (int))));
+ 
+ extern struct B *b;
+ 
+ struct B { int i; } __attribute__((packed));
Index: gcc/testsuite/gcc.dg/lto/pr28706_1.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr28706_1.c	(revision 0)
--- gcc/testsuite/gcc.dg/lto/pr28706_1.c	(revision 0)
***************
*** 0 ****
--- 1,9 ----
+ /* PR c/28706 */
+ 
+ struct A
+ {
+   int i;
+ } __attribute__((aligned (sizeof (long int))));
+ 
+ extern void foo (struct A *);
+ extern void foo (struct A *);
Index: gcc/testsuite/gcc.dg/lto/pr34989-1_0.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr34989-1_0.c	(revision 166302)
--- gcc/testsuite/gcc.dg/lto/pr34989-1_0.c	(working copy)
***************
*** 1,7 ****
! /* { dg-do link } */
! /* { dg-require-effective-target lto } */
! /* { dg-options "-flto -r -nostdlib -O2" } */
! /* { dg-additional-sources "pr34989-2.c" } */
  
  extern struct globals *const ptr_to_globals;
  struct globals { };
--- 1,4 ----
! /* { dg-lto-do link } */
  
  extern struct globals *const ptr_to_globals;
  struct globals { };
*************** int syslogd_main(int argc, char **argv)
*** 9,11 ****
--- 6,10 ----
  {
   (*(struct globals**)&ptr_to_globals) = 0;
  }
+ 
+ int main() { return 0; }
Index: gcc/testsuite/gcc.dg/lto/pr34989-1_1.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr34989-1_1.c	(revision 166302)
--- gcc/testsuite/gcc.dg/lto/pr34989-1_1.c	(working copy)
***************
*** 1,3 ****
! /* { dg-do compile } */
! 
! extern struct globals *const ptr_to_globals;
--- 1 ----
! struct globals *const ptr_to_globals;
Index: gcc/testsuite/gcc.dg/lto/pr27898_0.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr27898_0.c	(revision 166302)
--- gcc/testsuite/gcc.dg/lto/pr27898_0.c	(working copy)
***************
*** 1,9 ****
  /* PR c/27898 */
! /* { dg-do link } */
! /* { dg-require-effective-target lto } */
! /* { dg-options "-flto -r -nostdlib" } */
! /* { dg-additional-sources "pr27898.c" } */
  
  union u { struct { int i; }; };
  
  extern int foo (union u *);
--- 1,8 ----
  /* PR c/27898 */
! /* { dg-lto-do link } */
  
  union u { struct { int i; }; };
  
  extern int foo (union u *);
+ 
+ int main() { return 0; }
Index: gcc/testsuite/gcc.dg/lto/pr28712_0.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr28712_0.c	(revision 166302)
--- gcc/testsuite/gcc.dg/lto/pr28712_0.c	(working copy)
***************
*** 1,8 ****
  /* PR c/28712 */
! /* { dg-do link } */
! /* { dg-require-effective-target lto } */
! /* { dg-options "-flto -r -nostdlib" } */
! /* { dg-additional-sources "pr28712.c pr28712.c" } */
  
  struct A;
  
--- 1,5 ----
  /* PR c/28712 */
! /* { dg-lto-do link } */
  
  struct A;
  
*************** struct B __attribute__((aligned (sizeof
*** 15,17 ****
--- 12,16 ----
  extern struct B *b;
  
  struct B { int i; } __attribute__((packed));
+ 
+ int main() { return 0; }
Index: gcc/testsuite/gcc.dg/lto/pr27898_1.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr27898_1.c	(revision 0)
--- gcc/testsuite/gcc.dg/lto/pr27898_1.c	(revision 0)
***************
*** 0 ****
--- 1,3 ----
+ union u { struct { int i; }; };
+ 
+ extern int foo (union u *);
Index: gcc/testsuite/gcc.dg/lto/pr28712_1.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr28712_1.c	(revision 0)
--- gcc/testsuite/gcc.dg/lto/pr28712_1.c	(revision 0)
***************
*** 0 ****
--- 1,12 ----
+ /* PR c/28712 */
+ struct A;
+ 
+ extern struct A *a;
+ 
+ struct A { } __attribute__((packed));
+ 
+ struct B __attribute__((aligned (sizeof (int))));
+ 
+ extern struct B *b;
+ 
+ struct B { int i; } __attribute__((packed));
Index: gcc/testsuite/gcc.dg/lto/pr28706_0.c
===================================================================
*** gcc/testsuite/gcc.dg/lto/pr28706_0.c	(revision 166302)
--- gcc/testsuite/gcc.dg/lto/pr28706_0.c	(working copy)
***************
*** 1,8 ****
  /* PR c/28706 */
! /* { dg-do link } */
! /* { dg-require-effective-target lto } */
! /* { dg-options "-flto -r -nostdlib" } */
! /* { dg-additional-sources "pr28706.c" } */
  
  struct A
  {
--- 1,5 ----
  /* PR c/28706 */
! /* { dg-lto-do link } */
  
  struct A
  {
*************** struct A
*** 11,13 ****
--- 8,12 ----
  
  extern void foo (struct A *);
  extern void foo (struct A *);
+ 
+ int main() { return 0; }
Index: gcc/testsuite/gcc.dg/pr28712.c
===================================================================
*** gcc/testsuite/gcc.dg/pr28712.c	(revision 166302)
--- gcc/testsuite/gcc.dg/pr28712.c	(working copy)
***************
*** 1,17 ****
- /* PR c/28712 */
- /* { dg-do link } */
- /* { dg-require-effective-target lto } */
- /* { dg-options "-flto -r -nostdlib" } */
- /* { dg-additional-sources "pr28712.c pr28712.c" } */
- 
- struct A;
- 
- extern struct A *a;
- 
- struct A { } __attribute__((packed));
- 
- struct B __attribute__((aligned (sizeof (int))));
- 
- extern struct B *b;
- 
- struct B { int i; } __attribute__((packed));
--- 0 ----
Index: gcc/testsuite/gcc.dg/pr28706.c
===================================================================
*** gcc/testsuite/gcc.dg/pr28706.c	(revision 166302)
--- gcc/testsuite/gcc.dg/pr28706.c	(working copy)
***************
*** 1,13 ****
- /* PR c/28706 */
- /* { dg-do link } */
- /* { dg-require-effective-target lto } */
- /* { dg-options "-flto -r -nostdlib" } */
- /* { dg-additional-sources "pr28706.c" } */
- 
- struct A
- {
-   int i;
- } __attribute__((aligned (sizeof (long int))));
- 
- extern void foo (struct A *);
- extern void foo (struct A *);
--- 0 ----