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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 5 Oct 2009 13:18:09 +0000 (13:18 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 5 Oct 2009 13:18:09 +0000 (13:18 +0000)
commit	09d0041cb92d96d749a3a5d5dfab78de3100d9d9
tree	a75051f3125eb16e951b2147ac6b7ed7152c8259	tree \| snapshot
parent	c28a9975903eefaa7c171fb5865972ab248f927d	commit \| diff

2009-10-05 Richard Guenther <rguenther@suse.de>

PR tree-optimization/23821
* tree-vrp.c (vrp_finalize): Do not perform copy propagation.
* tree-ssa-dom.c (cprop_operand): Do not propagate copies into
simple IV increments.

* gcc.dg/torture/pr23821.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@152449 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.dg/torture/pr23821.c	[new file with mode: 0644]	blob
gcc/tree-ssa-dom.c		diff \| blob \| history
gcc/tree-vrp.c		diff \| blob \| history

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