[Bug c++/23372] [4.0/4.1 Regression] Temporary aggregate copy not elided when passing parameters by value

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23372

--- Comment #43 from Jason Merrill <jason at gcc dot gnu.org> 2011-03-18 
15:06:54 UTC ---
Author: jason
Date: Fri Mar 18 15:06:51 2011
New Revision: 171146

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=171146
Log:
    PR c++/23372
    * gimplify.c (gimplify_arg): Strip redundant TARGET_EXPR.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr23372.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/ChangeLog