Remove an inlined ASSERT made obsolete by r3598.

src/ast.h

 // Copyright 2006-2008 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 634 matching lines @@
 
 
 class TryCatchStatement: public TryStatement {
  public:
   TryCatchStatement(Block* try_block,
                     VariableProxy* catch_var,
                     Block* catch_block)
       : TryStatement(try_block),
         catch_var_(catch_var),
         catch_block_(catch_block) {
-    ASSERT(catch_var->AsVariableProxy() != NULL);
   }
 
   virtual void Accept(AstVisitor* v);
 
   VariableProxy* catch_var() const  { return catch_var_; }
   Block* catch_block() const  { return catch_block_; }
 
  private:
   VariableProxy* catch_var_;
   Block* catch_block_;
@@ skipping 1143 matching lines @@
 #undef DEF_VISIT
 
  private:
   bool stack_overflow_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_