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[Bug tree-optimization/36187] [4.3 Regression] Partitioning problem with SFTs (again)
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 May 2008 13:29:47 -0000
- Subject: [Bug tree-optimization/36187] [4.3 Regression] Partitioning problem with SFTs (again)
- References: <bug-36187-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from rguenth at gcc dot gnu dot org 2008-05-09 13:29 -------
The symptom of the alias problem is that we apply store-motion to
aTmp.eType = SbxDataType( p->eType | SbxBYREF );
but reads through
p = &aTmp; goto start;
in that stmt incorrectly do not alias that store.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36187