[wasm] LinkError on imported i64 global

src/wasm/wasm-module.cc

 // 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.
 
 #include <memory>
 
 #include "src/assembler-inl.h"
 #include "src/base/adapters.h"
 #include "src/base/atomic-utils.h"
 #include "src/code-stubs.h"
@@ skipping 1744 matching lines @@
                   "memory import %d has larger maximum than maximum %u, got %d",
                   index, module_->max_mem_pages, imported_max_pages);
               return -1;
             }
           }
           break;
         }
         case kExternalGlobal: {
           // Global imports are converted to numbers and written into the
           // {globals_} array buffer.
+          if (module_->globals[import.index].type == kWasmI64) {
+            ReportLinkError("global import cannot have type i64", index,
+                            module_name, import_name);
+            return -1;
+          }
           if (!value->IsNumber()) {
             ReportLinkError("global import must be a number", index,
                             module_name, import_name);
             return -1;
           }
           WriteGlobalValue(module_->globals[import.index], value);
           break;
         }
         default:
           UNREACHABLE();
@@ skipping 846 matching lines @@
 
     JSObject::AddProperty(entry, name_string, export_name.ToHandleChecked(),
                           NONE);
     JSObject::AddProperty(entry, kind_string, export_kind, NONE);
 
     storage->set(index, *entry);
   }
 
   return array_object;
 }