Clean up the use of static and anonymous namespaces. This turned up
several things that were neither in an anonymous namespace nor static
but not intended to be global.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ShadowStackCollector.cpp b/lib/CodeGen/ShadowStackCollector.cpp
index 092671c..568fe44 100644
--- a/lib/CodeGen/ShadowStackCollector.cpp
+++ b/lib/CodeGen/ShadowStackCollector.cpp
@@ -66,11 +66,14 @@
     static GetElementPtrInst *CreateGEP(IRBuilder &B, Value *BasePtr,
                                         int Idx1, int Idx2, const char *Name);
   };
+
+}
   
-  CollectorRegistry::Add<ShadowStackCollector>
-  Y("shadow-stack",
-    "Very portable collector for uncooperative code generators");
+static CollectorRegistry::Add<ShadowStackCollector>
+Y("shadow-stack",
+  "Very portable collector for uncooperative code generators");
   
+namespace {
   /// EscapeEnumerator - This is a little algorithm to find all escape points
   /// from a function so that "finally"-style code can be inserted. In addition
   /// to finding the existing return and unwind instructions, it also (if