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[Bug tree-optimization/47061] VRP doesn't propagate through x<<=1, but it does for x*=2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47061

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-06-29 14:27:34 UTC ---
Author: rguenth
Date: Fri Jun 29 14:27:24 2012
New Revision: 189076

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189076
Log:
2012-06-29  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/47061
    * gcc.dg/tree-ssa/vrp71.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp71.c
Modified:
    trunk/gcc/testsuite/ChangeLog


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