[binutils-gdb] Tweak assembler invocation for pr28827-1 test

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0acf434a23768449cbb4b3732355f3f2febecaee

commit 0acf434a23768449cbb4b3732355f3f2febecaee
Author: Alan Modra <amodra@gmail.com>
Date:   Sat Feb 5 18:19:21 2022 +1030

    Tweak assembler invocation for pr28827-1 test
    
            PR 28827
            * testsuite/ld-powerpc/pr28827-1.d: Pass -a64 to gas.

Diff:
---
 ld/testsuite/ld-powerpc/pr28827-1.d | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ld/testsuite/ld-powerpc/pr28827-1.d b/ld/testsuite/ld-powerpc/pr28827-1.d
index 8df9bcffddc..b4e4980a816 100644
--- a/ld/testsuite/ld-powerpc/pr28827-1.d
+++ b/ld/testsuite/ld-powerpc/pr28827-1.d
@@ -1,3 +1,4 @@
+# as: -a64
 # ld: -melf64ppc -gc-sections -shared -z relro --plt-align=0
 # size: -A