Fix a problem when compiling built-ins with the top-level compiler....

src/fast-codegen.cc

Index: src/fast-codegen.cc
===================================================================
--- src/fast-codegen.cc	(revision 3600)
+++ src/fast-codegen.cc	(working copy)
@@ -183,6 +183,13 @@
 }
 
 
+void FastCodeGenerator::SetStatementPosition(int pos) {
+  if (FLAG_debug_info) {
+    CodeGenerator::RecordPositions(masm_, pos);
+  }
+}
+
+
 void FastCodeGenerator::SetSourcePosition(int pos) {
   if (FLAG_debug_info && pos != RelocInfo::kNoPosition) {
     masm_->RecordPosition(pos);
@@ -360,8 +367,6 @@
 }
 
 
-
-
 void FastCodeGenerator::VisitWithEnterStatement(WithEnterStatement* stmt) {
   Comment cmnt(masm_, "[ WithEnterStatement");
   SetStatementPosition(stmt);
@@ -412,6 +417,7 @@
   __ bind(&stack_check_success);
 
   __ bind(loop_statement.continue_target());
+  SetStatementPosition(stmt->condition_position());
   VisitForControl(stmt->cond(), &body, loop_statement.break_target());
 
   __ bind(&stack_limit_hit);