Make these regexes stricter by disallowing any additional characters in the output.
Thanks to dblaikie for pointing this out!

llvm-svn: 215166
diff --git a/llvm/test/CodeGen/ARM/debug-info-sreg2.ll b/llvm/test/CodeGen/ARM/debug-info-sreg2.ll
index 6e20286..c74bd43 100644
--- a/llvm/test/CodeGen/ARM/debug-info-sreg2.ll
+++ b/llvm/test/CodeGen/ARM/debug-info-sreg2.ll
@@ -10,7 +10,7 @@
 
 ; CHECK: 0x00000000: Beginning address offset:
 ; CHECK-NEXT:           Ending address offset:
-; CHECK-NEXT:            Location description: 90 {{.. .. .. ..}}
+; CHECK-NEXT:            Location description: 90 {{.. .. .. .. $}}
 
 define void @_Z3foov() optsize ssp {
 entry: