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author	law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
	Wed, 6 Jul 2005 05:25:57 +0000 (05:25 +0000)
committer	law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
	Wed, 6 Jul 2005 05:25:57 +0000 (05:25 +0000)
commit	ba8d970212c49d9a425ce7678cd888dcc14efbea
tree	bfc350f65435feb35c717dcc4a70bc5ec1f0e24d	tree \| snapshot
parent	5539d5471cf928bdc85073dcdacff0524a25e8bc	commit \| diff

    * tree-ssa-dce.c (cfg_altered): New global.
        (tree_dce_init): Initialize cfg_altered.
        (remove_dead_stmt): If we remove an edge in the CFG, then set
        CFG_ALTERED.
        (perform_tree_ssa_dce): If we altered the CFG, then invalidate
        the dominators.

        * gcc.c-torture/compile/pr21356.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101652 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.c-torture/compile/pr21356.c	[new file with mode: 0644]	blob
gcc/tree-ssa-dce.c		diff \| blob \| history

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