[Bug c++/45437] Loses reference during update

["jason at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45437

--- Comment #17 from Jason Merrill <jason at gcc dot gnu.org> 2011-07-09 03:33:56 UTC ---
Author: jason
Date: Sat Jul  9 03:33:54 2011
New Revision: 176072

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176072
Log:
    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.

Added:
    trunk/gcc/testsuite/g++.dg/expr/compound-asn1.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-omp.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/typeck.c
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/warn/sequence-pt-1.C