[Bug c++/53650] [4.7 Regression] large array causes huge memory use

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53650

--- Comment #9 from Jason Merrill <jason at gcc dot gnu.org> 2013-01-22 16:29:07 UTC ---
Author: jason
Date: Tue Jan 22 16:28:58 2013
New Revision: 195380

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195380
Log:
    PR c++/53650
    * call.c (type_has_extended_temps): New.
    * cp-tree.h: Declare it.
    * decl.c (check_initializer): Use build_aggr_init for arrays
    if it is false.
    * init.c (build_vec_init): Avoid mixed signed/unsigned arithmetic.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/g++.dg/init/array34.C
Modified:
    branches/gcc-4_7-branch/gcc/cp/ChangeLog
    branches/gcc-4_7-branch/gcc/cp/call.c
    branches/gcc-4_7-branch/gcc/cp/cp-tree.h
    branches/gcc-4_7-branch/gcc/cp/decl.c
    branches/gcc-4_7-branch/gcc/cp/init.c