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[Bug tree-optimization/68189] [4.9/5/6 Regression] wrong code at -Os and above on x86_64-linux-gnu
- 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: Tue, 03 Nov 2015 10:46:26 +0000
- Subject: [Bug tree-optimization/68189] [4.9/5/6 Regression] wrong code at -Os and above on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-68189-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68189
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |wrong-code
Known to work| |4.8.5
Target Milestone|6.0 |4.9.4
Summary|[6 Regression] wrong code |[4.9/5/6 Regression] wrong
|at -Os and above on |code at -Os and above on
|x86_64-linux-gnu |x86_64-linux-gnu
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Marek Polacek from comment #1)
> Started with r217827.
Are you sure? It is miscompiled with GCC 5 for me as well. It also
aborts with GCC 4.9 (but only with -O2), GCC 4.8 seems to work.