[wasm] Support validation of asm.js modules with != 3 args.

src/objects.h

 // Copyright 2015 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 7199 matching lines @@
 
   // Indicates that the the shared function info is deserialized from cache.
   DECL_BOOLEAN_ACCESSORS(deserialized)
 
   // Indicates that the the shared function info has never been compiled before.
   DECL_BOOLEAN_ACCESSORS(never_compiled)
 
   // Whether this function was created from a FunctionDeclaration.
   DECL_BOOLEAN_ACCESSORS(is_declaration)
 
+  // Indicates that asm->wasm conversion failed and should not be re-attempted.
+  DECL_BOOLEAN_ACCESSORS(is_asm_wasm_broken)
+
   inline FunctionKind kind();
   inline void set_kind(FunctionKind kind);
 
   // Indicates whether or not the code in the shared function support
   // deoptimization.
   inline bool has_deoptimization_support();
 
   // Enable deoptimization support through recompiled code.
   void EnableDeoptimizationSupport(Code* recompiled);
 
@@ skipping 252 matching lines @@
     kIsConciseMethod,
     kIsDefaultConstructor,
     kIsSubclassConstructor,
     kIsBaseConstructor,
     kIsGetterFunction,
     kIsSetterFunction,
     // byte 3
     kIsAsyncFunction,
     kDeserialized,
     kIsDeclaration,
+    kIsAsmWasmBroken,
     kCompilerHintsCount,  // Pseudo entry
   };
   // Add hints for other modes when they're added.
   STATIC_ASSERT(LANGUAGE_END == 3);
   // kFunctionKind has to be byte-aligned
   STATIC_ASSERT((kFunctionKind % kBitsPerByte) == 0);
 // Make sure that FunctionKind and byte 2 are in sync:
 #define ASSERT_FUNCTION_KIND_ORDER(functionKind, compilerFunctionKind) \
   STATIC_ASSERT(FunctionKind::functionKind ==                          \
                 1 << (compilerFunctionKind - kFunctionKind))
@@ skipping 3579 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_