Move the per-ast-node statement position to only statement node types....

src/arm/codegen-arm.cc

Index: src/arm/codegen-arm.cc
===================================================================
--- src/arm/codegen-arm.cc	(revision 2975)
+++ src/arm/codegen-arm.cc	(working copy)
@@ -1188,7 +1188,6 @@
 #endif
   VirtualFrame::SpilledScope spilled_scope;
   Comment cmnt(masm_, "[ Declaration");
-  CodeForStatementPosition(node);
   Variable* var = node->proxy()->var();
   ASSERT(var != NULL);  // must have been resolved
   Slot* slot = var->slot();
@@ -2811,7 +2810,6 @@
 #endif
   VirtualFrame::SpilledScope spilled_scope;
   Comment cmnt(masm_, "[ Assignment");
-  CodeForStatementPosition(node);
 
   { Reference target(this, node->target());
     if (target.is_illegal()) {
@@ -2911,9 +2909,7 @@
 
   ZoneList<Expression*>* args = node->arguments();
 
-  CodeForStatementPosition(node);
   // Standard function call.
-
   // Check if the function is a variable or a property.
   Expression* function = node->expression();
   Variable* var = function->AsVariableProxy()->AsVariable();
@@ -3067,8 +3063,6 @@
   ZoneList<Expression*>* args = node->arguments();
   Expression* function = node->expression();
 
-  CodeForStatementPosition(node);
-
   // Prepare stack for call to resolved function.
   LoadAndSpill(function);
   __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
@@ -3118,7 +3112,6 @@
 #endif
   VirtualFrame::SpilledScope spilled_scope;
   Comment cmnt(masm_, "[ CallNew");
-  CodeForStatementPosition(node);
 
   // According to ECMA-262, section 11.2.2, page 44, the function
   // expression in new calls must be evaluated before the