Also dump a stack trace on a pthread assertion failure

runtime/vm/os_thread_android.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"  // NOLINT
 
 
 #if defined(TARGET_OS_ANDROID)
 
 #include "vm/os_thread.h"
 
 #include <errno.h>  // NOLINT
 #include <sys/time.h>  // NOLINT
 
 #include "platform/assert.h"
 #include "platform/signal_blocker.h"
 #include "platform/utils.h"
 
+#include "vm/profiler.h"
+
 namespace dart {
 
 #define VALIDATE_PTHREAD_RESULT(result) \
   if (result != 0) { \
     const int kBufferSize = 1024; \
     char error_message[kBufferSize]; \
+    NOT_IN_PRODUCT(Profiler::DumpStackTrace(true /* native_stack_trace */)); \
     Utils::StrError(result, error_message, kBufferSize); \
     FATAL2("pthread error: %d (%s)", result, error_message); \
   }
 
 
 #if defined(DEBUG)
 #define ASSERT_PTHREAD_SUCCESS(result) VALIDATE_PTHREAD_RESULT(result)
 #else
 // NOTE: This (currently) expands to a no-op.
 #define ASSERT_PTHREAD_SUCCESS(result) ASSERT(result == 0)
@@ skipping 408 matching lines @@
 void Monitor::NotifyAll() {
   // When running with assertions enabled we track the owner.
   ASSERT(IsOwnedByCurrentThread());
   int result = pthread_cond_broadcast(data_.cond());
   VALIDATE_PTHREAD_RESULT(result);
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_ANDROID)