[wasm] Add stack checks to loops.

test/common/wasm/wasm-module-runner.cc

Index: test/common/wasm/wasm-module-runner.cc
diff --git a/test/common/wasm/wasm-module-runner.cc b/test/common/wasm/wasm-module-runner.cc
index 15c3ef433f48ff9d1604c058b31a2aa6da0e4d64..9dc304a61f084c5115a68abf4f141fb3ac2c9533 100644
--- a/test/common/wasm/wasm-module-runner.cc
+++ b/test/common/wasm/wasm-module-runner.cc
@@ -78,17 +78,16 @@ const Handle<JSObject> InstantiateModuleForTesting(Isolate* isolate,
 }
 
 const Handle<JSObject> CompileInstantiateWasmModuleForTesting(
-    Isolate* isolate, Zone* zone, const byte* module_start,
-    const byte* module_end, ModuleOrigin origin) {
-  ErrorThrower thrower(isolate, "CompileInstantiateWasmModule");
+    Isolate* isolate, ErrorThrower* thrower, Zone* zone,
+    const byte* module_start, const byte* module_end, ModuleOrigin origin) {
   std::unique_ptr<const WasmModule> module(DecodeWasmModuleForTesting(
-      isolate, zone, &thrower, module_start, module_end, origin));
+      isolate, zone, thrower, module_start, module_end, origin));
 
   if (module == nullptr) {
-    thrower.Error("Wasm module decode failed");
+    thrower->Error("Wasm module decode failed");
     return Handle<JSObject>::null();
   }
-  return InstantiateModuleForTesting(isolate, &thrower, module.get());
+  return InstantiateModuleForTesting(isolate, thrower, module.get());
 }
 
 int32_t RunWasmModuleForTesting(Isolate* isolate, Handle<JSObject> instance,
@@ -104,9 +103,9 @@ int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,
                                 const byte* module_end, ModuleOrigin origin) {
   HandleScope scope(isolate);
   Zone zone(isolate->allocator());
-
+  ErrorThrower thrower(isolate, "CompileAndRunWasmModule");
   Handle<JSObject> instance = CompileInstantiateWasmModuleForTesting(
-      isolate, &zone, module_start, module_end, origin);
+      isolate, &thrower, &zone, module_start, module_end, origin);
   if (instance.is_null()) {
     return -1;
   }
@@ -225,6 +224,13 @@ void SetupIsolateForWasmModule(Isolate* isolate) {
                                           isolate->native_context());
 }
 
+MaybeHandle<JSArrayBuffer> GetInstanceMemoryForTesting(
+    Isolate* isolate, Handle<JSObject> instance) {
+  Object* mem = instance->GetInternalField(kWasmMemArrayBuffer);
+  DCHECK(IsWasmObject(*instance));
+  if (mem->IsUndefined(isolate)) return MaybeHandle<JSArrayBuffer>();
+  return Handle<JSArrayBuffer>(JSArrayBuffer::cast(mem));
+}
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal