[wasm] Fix bug in CallImport.

src/compiler/wasm-compiler.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/compiler/wasm-compiler.h"
 
 #include "src/isolate-inl.h"
 
 #include "src/base/platform/platform.h"
 
@@ skipping 1491 matching lines @@
   wasm::FunctionSig* sig = module_->GetFunctionSignature(index);
 
   return BuildWasmCall(sig, args);
 }
 
 Node* WasmGraphBuilder::CallImport(uint32_t index, Node** args) {
   DCHECK_NULL(args[0]);
 
   // Add code object as constant.
   args[0] = Constant(module_->GetImportCode(index));
-  wasm::FunctionSig* sig = module_->GetFunctionSignature(index);
+  wasm::FunctionSig* sig = module_->GetImportSignature(index);
 
   return BuildWasmCall(sig, args);
 }
 
 Node* WasmGraphBuilder::CallIndirect(uint32_t index, Node** args) {
   DCHECK_NOT_NULL(args[0]);
   DCHECK(module_ && module_->instance);
 
   MachineOperatorBuilder* machine = jsgraph()->machine();
 
@@ skipping 684 matching lines @@
         module_env->module->GetName(function.name_offset));
   }
 
   return code;
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8