re PR tree-optimization/56294 (BOOT_CFLAGS='-O2 -g -fno-ipa-sra' leads to bootstrap comparison failure)

2013-02-28  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/56294
	* tree-sra.c (analyze_access_subtree): Create replacement declarations.
	Adjust dumping.
	(get_access_replacement): Do not call create_access_replacement.
	Assert a replacement exists.
	(get_repl_default_def_ssa_name): Create the replacement declaration
	itself.

testsuite/
	* g++.dg/debug/pr56294.C: New test.

From-SVN: r196340