Hello,

I would like to backport the following changes to 4.4 branch.
Regression tested for i686-pc-mingw32, x86_64-pc-mingw32, and
i686-pc-linux. Ok for apply?

ChangeLog

2009-09-29  Kai Tietz  <kai.tietz@onevision.com>

	Back merge from trunk
	2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/37216
	* configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
	macro definition for support of three-operand format aligned
	.comm directive in assembler on cygwin/pe/mingw target OS.
	* configure:  Regenerate.
	* config.h:  Regenerate.

	* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
	aligned form of .comm directive if -mpe-aligned-commons is in effect.
	* config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
	* doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
	* doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.

	Backmerge from trunk
	2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
	Uros Bizjak  <ubizjak@gmail.com>
	Danny Smith  <dansmister@gmail.com>

	PR target/37216
	* lib/target-supports.exp (check_effective_target_pe_aligned_commons):
	New function.
	* gcc.target/i386/pr37216.c:  New test source file.
	* gcc.dg/compat/struct-layout-1_generate.c (dg_options[]):  No longer
	use -fno-common for testing Cygwin and MinGW targets.

	Backmerge from trunk
	2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38781
	* config/i386/i386.c (classify_argument): Check total size of
	structure.

	Backmerge from trunk
	2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>

	PR target/39062
	* ssp.c: Also include malloc.h for alloca(). MinGW needs it.
	* configure.ac: Also check for malloc.h.
	* configure: Regenerated.
	* config.h.in: Regenerated.

	Backmerge from trunk
	2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>

	PR/39066
	* gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
	instead of unsigned long.

	Backmerge from trunk
	2009-06-10  Kai Tietz  <kai.tietz@onevision.com>

	* g++.dg/torture/pr31579.C: Cast pointer
	via __SIZE_TYPE__ instead of 'unsigned long'.

Cheers,
Kai

-- 
|  (\_/) This is Bunny. Copy and paste
| (='.'=) Bunny into your signature to help
| (")_(") him gain world domination