[google] Backport r171347 from trunk to google/gcc-4_6 (issue5396043)

[Diego Novillo]

On Wed, Nov 16, 2011 at 03:51, Doug Kwan <dougkwan@google.com> wrote:
> This patch backports the upstream fix in r171347 for a problem caused by
> change in volatile bitfield access.  This is tested by building the
> x86 toolchain with tests and checking that volatile bitfield access worked
> on ARM.  This is a backport for 4.6 only.
>
> 2011-11-16   Doug Kwan  <dougkwan@google.com>
>
>        Backport r171347 from trunk.
>
>        2011-03-23  Julian Brown  <julian@codesourcery.com>
>
>                * expr.c (expand_expr_real_1): Only use BLKmode for volatile
>                accesses which are not naturally aligned.

OK.  Were there any testsuite changes for this patch?


Diego.