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PR tree-optimization/47053
authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 22 Jan 2011 04:09:44 +0000 (04:09 +0000)
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 22 Jan 2011 04:09:44 +0000 (04:09 +0000)
commitd02c833900f4ca0e75e62a610963e0cd43db693b
treee26bd30b7702ab14267fea3bce44ce25dab21466tree | snapshot
parentcdd687b14097508ab4d214ea0c13edd5a4518d2ecommit | diff
PR tree-optimization/47053
* tree-ssa-dse.c (need_eh_cleanup): New bitmap.
(dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
statements are deleted.
(tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
is nonempty, then purge dead edges and cleanup the CFG.

PR tree-optimization/47053
* g++.dg/pr47053.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169123 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/g++.dg/pr47053.C [new file with mode: 0644] blob
gcc/tree-ssa-dse.c diff | blob | history
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