https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63593

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Feb 16 14:52:14 2015
New Revision: 220734

URL: https://gcc.gnu.org/viewcvs?rev=220734&root=gcc&view=rev
Log:
2015-02-16  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/63593
    * tree-predcom.c (execute_pred_commoning_chain): Delay removing
    stmts and releasing SSA names until...
    (execute_pred_commoning): ... after processing all chains.

    * gcc.dg/pr63593.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr63593.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-predcom.c

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