2 new GCC HEAD@187800 regressions

[GCC regression tester]

With your recent patch, GCC HEAD revision 187800 had problems on:
native: regress-7 (2 NEW failures)
The previous build was of revision 187799.

Regressions for native:
old   g++.sum g++.dg/other/anon5.C
old   gcc.sum gcc.dg/torture/tls/thr-init-1.c
old   gcc.sum gcc.dg/torture/tls/thr-init-2.c
old   gcc.sum gcc.dg/torture/tls/tls-test.c
NEW   gcc/gimple-low.o differs
NEW   gcc/sese.o differs
old   gfortran.sum gfortran.dg/lto/pr45586

Log information for changes since the last build:
------------------------------------------------------------------------
r187800 | rguenth | 2012-05-23 05:25:41 -0700 (Wed, 23 May 2012) | 14 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/testsuite/ChangeLog
   M /trunk/gcc/testsuite/gcc.dg/torture/pr39074-2.c
   M /trunk/gcc/testsuite/gcc.dg/torture/pr39074.c
   M /trunk/gcc/testsuite/gcc.dg/torture/pta-structcopy-1.c
   M /trunk/gcc/testsuite/gcc.dg/tree-ssa/alias-19.c
   M /trunk/gcc/tree-dfa.c
   M /trunk/gcc/tree-ssa-live.c

2012-05-23  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (add_referenced_var_1): Do not add global vars.
	* tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
	via the global_unused_vars bitmap.
	(remove_unused_locals): Handle global vars in local-decls via
	a global_unused_vars bitmap instead of the used flag in the
	var annotation.  Simplify global variable handling and removal.

	* gcc.dg/torture/pr39074-2.c: Adjust.
	* gcc.dg/torture/pr39074.c: Likewise.
	* gcc.dg/torture/pta-structcopy-1.c: Likewise.
	* gcc.dg/tree-ssa/alias-19.c: Likewise.

------------------------------------------------------------------------

For more information, see <http://glutton.geoffk.org/HEAD/>.

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-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)