File 0018-Bug-1516081-Disable-watchdog-during-FDO-train.patch of Package MozillaFirefox

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <hubicka@ucw.cz>
Date: Sat, 22 Dec 2018 09:32:00 +0200
Subject: [PATCH] Bug 1516081 - Disable watchdog during FDO train

Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1516081
---
 toolkit/components/terminator/nsTerminator.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/toolkit/components/terminator/nsTerminator.cpp b/toolkit/components/terminator/nsTerminator.cpp
index 8c456b142a4f789f78b8e46c4add3ba2919a8c35..91dd1ce2bd488a3b000781355c0fffa24f2149cb 100644
--- a/toolkit/components/terminator/nsTerminator.cpp
+++ b/toolkit/components/terminator/nsTerminator.cpp
@@ -330,6 +330,13 @@ void nsTerminator::StartWatchdog() {
   }
 #endif
 
+  // Disable watchdog for PGO train builds - writting profile information at
+  // exit may take time and it is better to make build hang rather than
+  // silently produce poorly performing binary.
+#ifdef MOZ_PROFILE_INSTRUMENTATION
+  crashAfterMS = INT32_MAX;
+#endif
+
   UniquePtr<Options> options(new Options());
   // crashAfterTicks is guaranteed to be > 0 as
   // crashAfterMS >= ADDITIONAL_WAIT_BEFORE_CRASH_MS >> HEARTBEAT_INTERVAL_MS