[wasm] Fix possible gc-ing of wasm import code objects

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 "src/base/atomic-utils.h"
 #include "src/macro-assembler.h"
 #include "src/objects.h"
 #include "src/property-descriptor.h"
 #include "src/v8.h"
 
@@ skipping 354 matching lines @@
       Code* target =
           Code::GetCodeFromTargetAddress(it.rinfo()->target_address());
       if (target->kind() == kind &&
           target->constant_pool_offset() >= kPlaceholderMarker) {
         // Patch direct calls to placeholder code objects.
         uint32_t index = target->constant_pool_offset() - kPlaceholderMarker;
         CHECK(index < code_targets.size());
         Handle<Code> new_target = code_targets[index];
         if (target != *new_target) {
           it.rinfo()->set_target_address(new_target->instruction_start(),
-                                         SKIP_WRITE_BARRIER, SKIP_ICACHE_FLUSH);
+                                         UPDATE_WRITE_BARRIER,
+                                         SKIP_ICACHE_FLUSH);
           modified = true;
         }
       }
     }
   }
   return modified;
 }
 
 void LinkModuleFunctions(Isolate* isolate,
                          std::vector<Handle<Code>>& functions) {
@@ skipping 999 matching lines @@
     return static_cast<int32_t>(HeapNumber::cast(*result)->value());
   }
   thrower.Error("WASM.compileRun() failed: Return value should be number");
   return -1;
 }
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8