add check for aarch64 in check_effective_target_section_anchors()

[James Greenhalgh]

On Thu, Feb 11, 2016 at 11:03:23PM +0530, Prathamesh Kulkarni wrote:
> Hi,
> aarch64 supports section anchors but it appears
> check_effective_target_section_anchors() doesn't contain entry for it.
> This patch adds for entry for aarch64.
> OK for trunk ?

OK. I presume you tested this, and the testcases this enables PASS without
issue?

Thanks,
James

> diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
> index 645981a..66fb1ea 100644
> --- a/gcc/testsuite/lib/target-supports.exp
> +++ b/gcc/testsuite/lib/target-supports.exp
> @@ -5467,7 +5467,8 @@ proc check_effective_target_section_anchors { } {
>      } else {
>          set et_section_anchors_saved 0
>          if { [istarget powerpc*-*-*]
> -	      || [istarget arm*-*-*] } {
> +	      || [istarget arm*-*-*] 
> +	      || [istarget aarch64*-*-*] } {
>             set et_section_anchors_saved 1
>          }
>      }