Fix expression positions for for-loops.

src/full-codegen/full-codegen.cc

Index: src/full-codegen/full-codegen.cc
diff --git a/src/full-codegen/full-codegen.cc b/src/full-codegen/full-codegen.cc
index 052a83a6574584df8fbbcbe0a21fc5cbfa0e4ae6..00cb23c00574bead3f0ba80caea41355b9295fd8 100644
--- a/src/full-codegen/full-codegen.cc
+++ b/src/full-codegen/full-codegen.cc
@@ -1202,7 +1202,6 @@ void FullCodeGenerator::VisitForStatement(ForStatement* stmt) {
   Iteration loop_statement(this, stmt);
 
   if (stmt->init() != NULL) {
-    SetStatementPosition(stmt->init());
     Visit(stmt->init());
   }