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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Thu, 25 Oct 2012 11:05:43 +0000 (11:05 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Thu, 25 Oct 2012 11:05:43 +0000 (11:05 +0000)
commit	f9a76c745f9ee1d61a0b97afacb614d6925a5f40
tree	13598bca08c88308763b9a0bc272866bcb90b66f	tree \| snapshot
parent	4267e94867201af9af2e55c21f3851da43b0b678	commit \| diff

2012-10-25 Richard Biener <rguenther@suse.de>

PR tree-optimization/54902
* tree-ssa-pre.c (fini_pre): Return TODO.
(execute_pre): Adjust.
* tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
blocks before computing dominators.

* g++.dg/torture/pr54902.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192803 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/g++.dg/torture/pr54902.C	[new file with mode: 0644]	blob
gcc/tree-ssa-pre.c		diff \| blob \| history
gcc/tree-ssa-tail-merge.c		diff \| blob \| history

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