7 new GCC HEAD@164671 regressions

[GCC regression tester <regress at geoffk dot org>]

With your recent patch, GCC HEAD revision 164671 had problems on:
native: regress-19 (previously the build failed)
The previous build was of revision 164670.

Regressions for native:
old   gcc.sum gcc.c-torture/compile/limits-exprparen.c
NEW   gcc.sum gcc.dg/O16384.c
old   gcc.sum gcc.dg/debug/pr41893-1.c
old   gcc.sum gcc.dg/pr27898.c
old   gcc.sum gcc.dg/pr28706.c
old   gcc.sum gcc.dg/pr28712.c
old   gcc.sum gcc.dg/pr30762-1.c
old   gcc.sum gcc.dg/pr31529-1.c
old   gcc.sum gcc.dg/pr34457-1.c
old   gcc.sum gcc.dg/pr34668-1.c
old   gcc.sum gcc.dg/pr34989-1.c
NEW   gcc.sum gcc.dg/pr37106-1.c
NEW   gcc.sum gcc.dg/pr37106-2.c
old   gcc.sum gcc.dg/pr43557-1.c
NEW   gcc.sum gcc.dg/pr43562.c
NEW   gcc.sum gcc.dg/pr43564.c
NEW   gcc.sum gcc.target/i386/opt-1.c
NEW   gcc.sum gcc.target/i386/opt-2.c
old   gcc.sum gcc.target/i386/pr38240.c

Log information for changes since the last build:
------------------------------------------------------------------------
r164671 | ian | 2010-09-27 17:07:12 -0700 (Mon, 27 Sep 2010) | 9 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/config/i386/i386.c
   M /trunk/libgcc/ChangeLog
   M /trunk/libgcc/config.host
   M /trunk/libgcc/configure
   M /trunk/libgcc/configure.ac

gcc/:
	* config/i386/i386.c (ix86_supports_split_stack): -fsplit-stack
	requires assembler support for CFI directives.
libgcc/:
	* configure.ac: Test whether assembler supports CFI directives.
	* config.host: Only add t-stack and i386/t-stack-i386 to
	tmake_file if libgcc_cv_cfi is "yes".
	* configure: Rebuild.

------------------------------------------------------------------------

For more information, see <http://glutton.geoffk.org/HEAD/>.

-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)