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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/50287] [4.7 Regression] FAIL: gcc.c-torture/execute/builtins/vsnprintf-chk.c compilation, -O2 -flto
Date: Sun, 04 Sep 2011 08:58:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50287

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mjambor at suse dot cz
   Target Milestone|---                         |4.7.0
            Summary|FAIL:                       |[4.7 Regression] FAIL:
                   |gcc.c-torture/execute/built |gcc.c-torture/execute/built
                   |ins/vsnprintf-chk.c         |ins/vsnprintf-chk.c
                   |compilation, -O2 -flto      |compilation, -O2 -flto

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-09-04 08:57:37 UTC ---
It seems we are creating an SSA name for a non-register variable.  We can't do
this.  In fact if we encounter an unused param we'd like to pass to the split
part we need to pass it in non-SSA form.