diff -r 000000000000 -r 6474c204b198 xpcom/glue/IntentionalCrash.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/glue/IntentionalCrash.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <string>
+#include <sstream>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef XP_WIN
+#include <process.h>
+#define getpid _getpid
+#else
+#include <unistd.h>
+#endif
+
+#ifndef mozilla_IntentionalCrash_h
+#define mozilla_IntentionalCrash_h
+
+namespace mozilla {
+
+inline void
+NoteIntentionalCrash(const char* processType)
+{
+  char* f = getenv("XPCOM_MEM_BLOAT_LOG");
+
+  if (!f) 
+    return;
+
+  fprintf(stderr, "XPCOM_MEM_BLOAT_LOG: %s\n", f);
+
+  std::string bloatLog(f);
+  
+  bool hasExt = false;
+  if (bloatLog.size() >= 4 &&
+      0 == bloatLog.compare(bloatLog.size() - 4, 4, ".log", 4)) {
+    hasExt = true;
+    bloatLog.erase(bloatLog.size() - 4, 4);
+  }
+
+  std::ostringstream bloatName;
+  bloatName << bloatLog << "_" << processType << "_pid" << getpid();
+  if (hasExt)
+    bloatName << ".log";
+
+  fprintf(stderr, "Writing to log: %s\n", bloatName.str().c_str());
+
+  FILE* processfd = fopen(bloatName.str().c_str(), "a");
+  fprintf(processfd, "==> process %d will purposefully crash\n", getpid());
+  fclose(processfd);
+}
+
+} // namespace mozilla
+
+#endif // mozilla_IntentionalCrash_h