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[Bug tree-optimization/56854] [4.9 Regression] error: non-decl/MEM_REF LHS in clobber statement
- 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: Mon, 08 Apr 2013 11:09:28 +0000
- Subject: [Bug tree-optimization/56854] [4.9 Regression] error: non-decl/MEM_REF LHS in clobber statement
- Auto-submitted: auto-generated
- References: <bug-56854-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56854
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|c++ |tree-optimization
Target Milestone|--- |4.9.0
Summary|error: non-decl/MEM_REF LHS |[4.9 Regression] error:
|in clobber statement |non-decl/MEM_REF LHS in
| |clobber statement
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-08 11:09:28 UTC ---
It's very likely forwprop that does this. We should probably disallow
any forwprop into CLOBBER lhs. CCP will do everything that is allowed.