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[Bug tree-optimization/50729] [4.7 Regression] Silent code gen fault: Value range propagation seems to propagate values across narrowing/widening
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 14 Oct 2011 14:04:26 +0000
- Subject: [Bug tree-optimization/50729] [4.7 Regression] Silent code gen fault: Value range propagation seems to propagate values across narrowing/widening
- Auto-submitted: auto-generated
- References: <bug-50729-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50729
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011-10-14
Known to work| |4.6.2
AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org
|gnu.org |
Target Milestone|--- |4.7.0
Summary|Silent code gen fault: |[4.7 Regression] Silent
|Value range propagation |code gen fault: Value range
|seems to propagate values |propagation seems to
|across narrowing/widening |propagate values across
| |narrowing/widening
Ever Confirmed|0 |1
--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-14 14:04:26 UTC ---
Confirmed, mine.