Add missing REQUIRES: arm.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@373357 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ELF/partition-dynamic-linker.s b/test/ELF/partition-dynamic-linker.s
index f542a35..7aafedd 100644
--- a/test/ELF/partition-dynamic-linker.s
+++ b/test/ELF/partition-dynamic-linker.s
@@ -1,6 +1,7 @@
 ## Test that we don't create a .ARM.exidx for the main partition.
 ## Previously we were doing so, which is unnecessary and led to a crash.
 
+# REQUIRES: arm
 # RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %p/Inputs/shared.s -o %t1.o
 # RUN: ld.lld -shared %t1.o -o %t.so
 # RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o