[wasm] Allow full u32 range for table maximum in WebAssembly.Table constructor.

src/wasm/wasm-objects.h

 // Copyright 2016 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_WASM_OBJECTS_H_
 #define V8_WASM_OBJECTS_H_
 
 #include "src/debug/debug.h"
 #include "src/debug/interface-types.h"
 #include "src/objects.h"
@@ skipping 59 matching lines @@
   static Handle<WasmModuleObject> New(
       Isolate* isolate, Handle<WasmCompiledModule> compiled_module);
 };
 
 // Representation of a WebAssembly.Table JavaScript-level object.
 class WasmTableObject : public JSObject {
  public:
   DECL_CAST(WasmTableObject)
 
   DECL_ACCESSORS(functions, FixedArray)
-  DECL_INT_ACCESSORS(maximum_length)
+  // TODO(titzer): introduce DECL_I64_ACCESSORS macro
+  DECL_ACCESSORS(maximum_length, Object)
   DECL_ACCESSORS(dispatch_tables, FixedArray)
 
   enum {  // --
     kFunctionsIndex,
     kMaximumLengthIndex,
     kDispatchTablesIndex,
     kFieldCount
   };
 
   DEF_SIZE(JSObject)
   DEF_OFFSET(Functions)
   DEF_OFFSET(MaximumLength)
   DEF_OFFSET(DispatchTables)
 
   inline uint32_t current_length() { return functions()->length(); }
-  inline bool has_maximum_length() { return maximum_length() >= 0; }
+  inline bool has_maximum_length() { return maximum_length()->Number() >= 0; }
   void grow(Isolate* isolate, uint32_t count);
 
   static Handle<WasmTableObject> New(Isolate* isolate, uint32_t initial,
                                      int64_t maximum,
                                      Handle<FixedArray>* js_functions);
   static Handle<FixedArray> AddDispatchTable(
       Isolate* isolate, Handle<WasmTableObject> table,
       Handle<WasmInstanceObject> instance, int table_index,
       Handle<FixedArray> function_table, Handle<FixedArray> signature_table);
 };
@@ skipping 566 matching lines @@
 CAST_ACCESSOR(WasmMemoryObject)
 CAST_ACCESSOR(WasmModuleObject)
 CAST_ACCESSOR(WasmTableObject)
 
 // WasmModuleObject
 ACCESSORS(WasmModuleObject, compiled_module, WasmCompiledModule,
           kCompiledModuleOffset)
 
 // WasmTableObject
 ACCESSORS(WasmTableObject, functions, FixedArray, kFunctionsOffset)
-SMI_ACCESSORS(WasmTableObject, maximum_length, kMaximumLengthOffset)
+ACCESSORS(WasmTableObject, maximum_length, Object, kMaximumLengthOffset)
 ACCESSORS(WasmTableObject, dispatch_tables, FixedArray, kDispatchTablesOffset)
 
 // WasmMemoryObject
 ACCESSORS(WasmMemoryObject, array_buffer, JSArrayBuffer, kArrayBufferOffset)
 SMI_ACCESSORS(WasmMemoryObject, maximum_pages, kMaximumPagesOffset)
 ACCESSORS(WasmMemoryObject, instances, WeakFixedArray, kInstancesOffset)
 
 // WasmInstanceObject
 ACCESSORS(WasmInstanceObject, compiled_module, WasmCompiledModule,
           kCompiledModuleOffset)
@@ skipping 46 matching lines @@
 #undef DECL_GETTER
 #undef DECL_OPTIONAL_ACCESSORS
 #undef DECL_OPTIONAL_GETTER
 
 #include "src/objects/object-macros-undef.h"
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_OBJECTS_H_