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Commit fae25b37 authored by Andrew MacLeod's avatar Andrew MacLeod Committed by Andrew Macleod
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Teach SCCVN that throwing expressions are not to be regenerated. 

http://gcc.gnu.org/ml/gcc-patches/2008-01/msg00764.html

Teach SCCVN that throwing expressions are not to be regenerated.

2008-01-17  Andrew MacLeod  <amacleod@redhat.com>

	* tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.	* gcc.c-torture/compile/pr34648.c: New testcase.

From-SVN: r131610
parent 2e152e16
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