[Bug c++/49938] [4.7 regression] ICE in interpret_loop_phi, at tree-scalar-evolution.c:1645

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49938

Markus Trippelsdorf <markus at trippelsdorf dot de> changed:

           What    |Removed                     |Added
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                 CC|                            |jason at gcc dot gnu.org
          Component|middle-end                  |c++

--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-08-02 03:34:30 UTC ---
git bisect points to revision 176072:

3115bda06f241a032e3e5dca50556203a98767a0 is the first bad commit
commit 3115bda06f241a032e3e5dca50556203a98767a0
Author: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Sat Jul 9 03:33:54 2011 +0000

        PR c++/45437
    gcc/
        * gimplify.c (goa_stabilize_expr): Handle RHS preevaluation in
        compound assignment.
    gcc/c-family/
        * c-omp.c (check_omp_for_incr_expr): Handle preevaluation.
    gcc/cp/
        * typeck.c (cp_build_modify_expr): Preevaluate RHS.

    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@176072
138bc75d-0d04-0410-961f-82ee72b054a4

Reverting the commit above "fixes" the problem.