Put back the standard-layout checks lost in 5bbb7e8abbe0

util/misc/uuid.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // 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 CRASHPAD_UTIL_MISC_UUID_H_
 #define CRASHPAD_UTIL_MISC_UUID_H_
 
 #include <stdint.h>
 
 #include <string>
 
 namespace crashpad {
 
 //! \brief A universally unique identifier (%UUID).
 //!
 //! An alternate term for %UUID is “globally unique identifier” (GUID), used
 //! primarily by Microsoft.
 //!
 //! A %UUID is a unique 128-bit number specified by RFC 4122.
+//!
+//! This is a standard-layout structure.
 struct UUID {
   //! \brief Initializes the %UUID to zero.
   UUID();
 
   //! \copydoc InitializeFromBytes()
   explicit UUID(const uint8_t* bytes);
 
   //! \brief Initializes the %UUID from a sequence of bytes.
   //!
   //! \a bytes is taken as a %UUID laid out in big-endian format in memory. On
@@ skipping 13 matching lines @@
   uint32_t data_1;
   uint16_t data_2;
   uint16_t data_3;
   uint8_t data_4[2];
   uint8_t data_5[6];
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_MISC_UUID_H_