Fix this test to not write to the source tree, and instead to write to

a temporary file. This fixes the test in cases where the source tree is
mounted read-only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211975 91177308-0d34-0410-b5e6-96231b3b80d8

test/ExecutionEngine/RuntimeDyld/X86/MachO_x86-64_PIC_relocations.s

@@ -1,6 +1,6 @@
-# RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -relocation-model=pic -filetype=obj -o %s.o %s
-# RUN: llvm-rtdyld -triple=x86_64-apple-macosx10.9 -verify -check=%s %s.o
-# RUN: rm %s.o
+# RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -relocation-model=pic -filetype=obj -o %t.o %s
+# RUN: llvm-rtdyld -triple=x86_64-apple-macosx10.9 -verify -check=%s %t.o
+# RUN: rm %t.o
 
         .section	__TEXT,__text,regular,pure_instructions
 	.globl	foo