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[Bug tree-optimization/30088] [4.1 Regression] Unexpected compilation results: -O1 vs. -O1 -fstrict-aliasing
- 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: 5 Feb 2007 14:08:00 -0000
- Subject: [Bug tree-optimization/30088] [4.1 Regression] Unexpected compilation results: -O1 vs. -O1 -fstrict-aliasing
- References: <bug-30088-13701@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from rguenth at gcc dot gnu dot org 2007-02-05 14:07 -------
Created an attachment (id=13008)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13008&action=view)
reduced testcase
This is a reduced testcase (still requires libstdc++ at link time) where you
can see the wrong alias symbols used after copyprop1 with
-O -fstrict-aliasing --param max-aliased-vops=0
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30088