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[Bug middle-end/68878] [6 Regression] 471.omnetpp in SPEC CPU 2006 is miscompiled with LTO
- From: "miyuki at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 13 Dec 2015 02:19:58 +0000
- Subject: [Bug middle-end/68878] [6 Regression] 471.omnetpp in SPEC CPU 2006 is miscompiled with LTO
- Auto-submitted: auto-generated
- References: <bug-68878-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68878
--- Comment #6 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
Created attachment 37016
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37016&action=edit
cSimpleModule ctor after transformation - bad revision
Note that lots of code is removed and we fall through BB4 to an EH landing pad
(hence, _Unwind_Resume in the backtrace).