diff --git a/lib/CodeGen/LexicalScopes.cpp b/lib/CodeGen/LexicalScopes.cpp
index 6ea0aa4eb51..f7ba12539ec 100644
--- a/lib/CodeGen/LexicalScopes.cpp
+++ b/lib/CodeGen/LexicalScopes.cpp
@@ -220,7 +220,7 @@ void LexicalScopes::constructScopeNest(LexicalScope *Scope) {
     LexicalScope *WS = WorkStack.back();
     const SmallVectorImpl<LexicalScope *> &Children = WS->getChildren();
     bool visitedChildren = false;
-    for (SmallVector<LexicalScope *, 4>::const_iterator SI = Children.begin(),
+    for (SmallVectorImpl<LexicalScope *>::const_iterator SI = Children.begin(),
            SE = Children.end(); SI != SE; ++SI) {
       LexicalScope *ChildScope = *SI;
       if (!ChildScope->getDFSOut()) {
@@ -280,7 +280,7 @@ getMachineBasicBlocks(DebugLoc DL,
   }
 
   SmallVectorImpl<InsnRange> &InsnRanges = Scope->getRanges();
-  for (SmallVector<InsnRange, 4>::iterator I = InsnRanges.begin(),
+  for (SmallVectorImpl<InsnRange>::iterator I = InsnRanges.begin(),
          E = InsnRanges.end(); I != E; ++I) {
     InsnRange &R = *I;
     MBBs.insert(R.first->getParent());