Fix debuggersupport=off build after r17184 and r18149.

src/full-codegen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 865 matching lines @@
     // a do while loop.
     bool position_recorded = CodeGenerator::RecordPositions(
         masm_, expr->position(), !checker.is_breakable());
     // If the position recording did record a new position generate a debug
     // break slot to make the statement breakable.
     if (position_recorded) {
       Debug::GenerateSlot(masm_);
     }
   }
 #else
-  CodeGenerator::RecordPositions(masm_, pos);
+  CodeGenerator::RecordPositions(masm_, expr->position());
 #endif
 }
 
 
 void FullCodeGenerator::SetStatementPosition(int pos) {
   CodeGenerator::RecordPositions(masm_, pos);
 }
 
 
 void FullCodeGenerator::SetSourcePosition(int pos) {
@@ skipping 861 matching lines @@
   }
   return true;
 }
 #endif  // DEBUG
 
 
 #undef __
 
 
 } }  // namespace v8::internal