Fix r346747 and r346796

Require x86 for the tests in order to fix non-x86 bots. This seems to be
the case for all other tests in that directory.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@346842 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ELF/gdb-index-multiple-cu-2.s b/test/ELF/gdb-index-multiple-cu-2.s
index 6fafaf5..9cf2a0c 100644
--- a/test/ELF/gdb-index-multiple-cu-2.s
+++ b/test/ELF/gdb-index-multiple-cu-2.s
@@ -1,3 +1,4 @@
+# REQUIRES: x86
 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/gdb-index-multiple-cu-2.s -o %t1.o
 # RUN: ld.lld --gdb-index %t.o %t1.o -o %t
diff --git a/test/ELF/gdb-index-multiple-cu.s b/test/ELF/gdb-index-multiple-cu.s
index 3952687..fc1d83e 100644
--- a/test/ELF/gdb-index-multiple-cu.s
+++ b/test/ELF/gdb-index-multiple-cu.s
@@ -1,3 +1,4 @@
+# REQUIRES: x86
 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
 # RUN: ld.lld --gdb-index %t.o -o %t
 # RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s