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r159098 - in /trunk/gcc: ChangeLog testsuite/gc...


Author: rguenth
Date: Thu May  6 08:53:19 2010
New Revision: 159098

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159098
Log:
2010-05-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43987
	* tree-ssa-structalias.c (could_have_pointers): For possibly
	address-taken variables force pointers to be recorded.
	(create_variable_info_for_1): Likewise.
	(push_fields_onto_fieldstack): Pass in wheter all fields
	must have pointers.
	(find_func_aliases): Query types instead of vars whether
	they contain pointers where appropriate.

	* gcc.c-torture/execute/pr43987.c: New testcase.
	* gcc.dg/torture/pta-escape-1.c: Adjust.
	* gcc.dg/tree-ssa/pta-escape-1.c: Likewise.
	* gcc.dg/tree-ssa/pta-escape-2.c: Likewise.
	* gcc.dg/tree-ssa/pta-escape-3.c: Likewise.
	* gcc.dg/ipa/ipa-pta-11.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr43987.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/gcc.dg/ipa/ipa-pta-11.c
    trunk/gcc/testsuite/gcc.dg/torture/pta-escape-1.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-1.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-3.c
    trunk/gcc/tree-ssa-structalias.c


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