[debugger,interpreter] fix source position of compare operation.

src/full-codegen/full-codegen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/full-codegen/full-codegen.h"
 
 #include "src/ast/ast-numbering.h"
 #include "src/ast/ast.h"
 #include "src/ast/prettyprinter.h"
 #include "src/ast/scopeinfo.h"
@@ skipping 1728 matching lines @@
 void FullCodeGenerator::DeferredCommands::EmitJumpToFinally(TokenId token) {
   __ Push(Smi::FromInt(token));
   __ Push(result_register());
   __ jmp(finally_entry_);
 }
 
 bool FullCodeGenerator::TryLiteralCompare(CompareOperation* expr) {
   Expression* sub_expr;
   Handle<String> check;
   if (expr->IsLiteralCompareTypeof(&sub_expr, &check)) {
+    SetExpressionPosition(expr);
     EmitLiteralCompareTypeof(expr, sub_expr, check);
     return true;
   }
 
   if (expr->IsLiteralCompareUndefined(&sub_expr)) {
+    SetExpressionPosition(expr);
     EmitLiteralCompareNil(expr, sub_expr, kUndefinedValue);
     return true;
   }
 
   if (expr->IsLiteralCompareNull(&sub_expr)) {
+    SetExpressionPosition(expr);
     EmitLiteralCompareNil(expr, sub_expr, kNullValue);
     return true;
   }
 
   return false;
 }
 
 
 void BackEdgeTable::Patch(Isolate* isolate, Code* unoptimized) {
   DisallowHeapAllocation no_gc;
@@ skipping 168 matching lines @@
   return var->scope()->is_nonlinear() ||
          var->initializer_position() >= proxy->position();
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8