[gardening] Add "// end anonymous namespace" where appropriate

Author: practicalswift

lib/IRGen/AllocStackHoisting.cpp

@@ -85,7 +85,7 @@ class Partition {
   /// non-overlapping.
   void assignStackLocation(SmallVectorImpl<SILInstruction *> &FunctionExits);
 };
-} // end anonymous namespace.
+} // end anonymous namespace
 
 /// Erases all dealloc_stack users of an alloc_stack
 static void eraseDeallocStacks(AllocStackInst *AllocStack) {
@@ -213,7 +213,7 @@ class Liveness {
     return false;
   }
 };
-} // end anonymous namespace.
+} // end anonymous namespace
 
 namespace {
 /// Merge alloc_stack instructions.
@@ -237,7 +237,7 @@ class MergeStackSlots {
   /// block.
   void mergeSlots();
 };
-} // end anonymous namespace.
+} // end anonymous namespace
 
 MergeStackSlots::MergeStackSlots(SmallVectorImpl<AllocStackInst *> &AllocStacks,
                                  SmallVectorImpl<SILInstruction *> &FuncExits)
@@ -339,7 +339,7 @@ class HoistAllocStack {
   /// Move the hoistable alloc_stack instructions to the entry block.
   void hoist();
 };
-}
+} // end anonymous namespace
 
 /// Collect generic alloc_stack instructions in the current function can be
 /// hoisted.

lib/Sema/InstrumenterSupport.cpp

@@ -67,7 +67,7 @@ class ErrorFinder : public ASTWalker {
   }
   bool hadError() { return error; }
 };
-}
+} // end anonymous namespace
 
 void InstrumenterBase::anchor() {}