[Bug c++/51060] Temporary object stack space is not re-used

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51060

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-11-13 
00:44:43 UTC ---
Author: jason
Date: Sun Nov 13 00:44:39 2011
New Revision: 181332

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181332
Log:
    PR c++/51060
    * gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
    (gimplify_modify_expr): Don't try to simplify it.
    * cp/cp-gimplify.c (cp_gimplify_expr): Leave clobbers alone.

Added:
    trunk/gcc/testsuite/g++.dg/opt/stack2.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-gimplify.c
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/ChangeLog
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/testsuite/25_algorithms/max/1.cc
    trunk/libstdc++-v3/testsuite/25_algorithms/min/1.cc
    trunk/libstdc++-v3/testsuite/25_algorithms/minmax/1.cc