Fix a bunch of namespace polution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101376 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index 19fb52c..0b75c55 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -351,8 +351,8 @@
 }
 
 // Does iterator point to a and b as the first two elements?
-bool matchPair(MachineBasicBlock::const_succ_iterator i,
-               const MachineBasicBlock *a, const MachineBasicBlock *b) {
+static bool matchPair(MachineBasicBlock::const_succ_iterator i,
+                      const MachineBasicBlock *a, const MachineBasicBlock *b) {
   if (*i == a)
     return *++i == b;
   if (*i == b)