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[Bug c/63803] When GCC 4.9.2 compile with option -O2, the target is error.
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 10 Nov 2014 10:04:49 +0000
- Subject: [Bug c/63803] When GCC 4.9.2 compile with option -O2, the target is error.
- Auto-submitted: auto-generated
- References: <bug-63803-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63803
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |mpolacek at gcc dot gnu.org
Resolution|--- |INVALID
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I don't know why this would be a bug. You're dereferencin a NULL pointer. udf
is an undefined instruction. On x86_64 you'd get the ud2 instruction.