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r153671 - in /trunk/gcc: ChangeLog gimple.c tes...


Author: rguenth
Date: Wed Oct 28 14:48:34 2009
New Revision: 153671

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153671
Log:
2009-10-28  Richard Guenther  <rguenther@suse.de>

	PR lto/41808
	PR lto/41839
	* tree-ssa.c (useless_type_conversion_p): Do not treat
	conversions to pointers to incomplete types as useless.
	* gimple.c (gimple_types_compatible_p): Compare struct tags,
	not typedef names.

	* gcc.dg/lto/20091027-1_0.c: New testcase.
	* gcc.dg/lto/20091027-1_1.c: Likewise.
	* g++.dg/lto/20091026-1_0.C: Likewise.
	* g++.dg/lto/20091026-1_1.C: Likewise.
	* g++.dg/lto/20091026-1_a.h: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/lto/20091026-1_0.C
    trunk/gcc/testsuite/g++.dg/lto/20091026-1_1.C
    trunk/gcc/testsuite/g++.dg/lto/20091026-1_a.h
    trunk/gcc/testsuite/gcc.dg/lto/20091027-1_0.c
    trunk/gcc/testsuite/gcc.dg/lto/20091027-1_1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa.c


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