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

[pluto at agmk dot net]

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

Pawel Sikora <pluto at agmk dot net> changed:

           What    |Removed                     |Added
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                 CC|                            |pluto at agmk dot net

--- Comment #11 from Pawel Sikora <pluto at agmk dot net> 2013-01-22 21:05:45 UTC ---
(In reply to comment #9)
> 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


this patch breaks bootstrap:

../../gcc/cp/call.c: In function 'type_has_extended_temps':
../../gcc/cp/call.c:8852:7: error: 'for' loop initial declarations are only
allowed in C99 mode
../../gcc/cp/call.c:8852:7: note: use option -std=c99 or -std=gnu99 to compile
your code