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diff --git a/runtime/lambda/closure_builder-inl.h b/runtime/lambda/closure_builder-inl.h
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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_LAMBDA_CLOSURE_BUILDER_INL_H_
+#define ART_RUNTIME_LAMBDA_CLOSURE_BUILDER_INL_H_
+
+#include "lambda/closure_builder.h"
+#include <string.h>
+
+namespace art {
+namespace lambda {
+
+template <typename T, ClosureBuilder::ShortyTypeEnum kShortyType>
+void ClosureBuilder::CaptureVariablePrimitive(T value) {
+  static_assert(ShortyFieldTypeTraits::IsPrimitiveType<T>(), "T must be a primitive type");
+  const size_t type_size = ShortyFieldType(kShortyType).GetStaticSize();
+  DCHECK_EQ(type_size, sizeof(T));
+
+  // Copy the data while retaining the bit pattern. Strict-aliasing safe.
+  ShortyFieldTypeTraits::MaxType value_storage = 0;
+  memcpy(&value_storage, &value, sizeof(T));
+
+  values_.push_back(value_storage);
+  size_ += sizeof(T);
+}
+
+}  // namespace lambda
+}  // namespace art
+
+#endif  // ART_RUNTIME_LAMBDA_CLOSURE_BUILDER_INL_H_