Patch to make Firefox pause and wait to be debugged when it crashes

moz-pause-on-crash.patch

MOZ_PAUSE_ON_CRASH(6W ago)    changes to: Bug 1421062: Enable production nightly balrog update on comm-c...

diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp
--- a/toolkit/xre/nsAppRunner.cpp
+++ b/toolkit/xre/nsAppRunner.cpp
@@ -3426,6 +3426,13 @@
     mAppData->flags |= NS_XRE_ENABLE_CRASH_REPORTER;
   }
 
+  if (EnvHasValue("MOZ_PAUSE_ON_CRASH")) {
+    if (mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER) {
+      Output(false, "MOZ_PAUSE_ON_CRASH is set, overriding MOZ_CRASHREPORTER.");
+    }
+    mAppData->flags &= ~NS_XRE_ENABLE_CRASH_REPORTER;
+  }
+
   nsCOMPtr<nsIFile> xreBinDirectory;
   xreBinDirectory = mDirProvider.GetGREBinDir();
 
diff --git a/toolkit/xre/nsSigHandlers.cpp b/toolkit/xre/nsSigHandlers.cpp
--- a/toolkit/xre/nsSigHandlers.cpp
+++ b/toolkit/xre/nsSigHandlers.cpp
@@ -245,7 +245,10 @@
   }
 
 #if defined(CRAWL_STACK_ON_SIGSEGV)
-  if (!getenv("XRE_NO_WINDOWS_CRASH_DIALOG")) {
+  fprintf(stderr, "JIMB: XRE_NO_WINDOWS_CRASH_DIALOG = %s\n", getenv("XRE_NO_WINDOWS_CRASH_DIALOG"));
+  fprintf(stderr, "JIMB: MOZ_PAUSE_ON_CRASH = %s\n", getenv("MOZ_PAUSE_ON_CRASH"));
+  if (getenv("MOZ_PAUSE_ON_CRASH") ||
+      !getenv("XRE_NO_WINDOWS_CRASH_DIALOG")) {
     void (*crap_handler)(int) =
       GeckoProcessType_Default != XRE_GetProcessType() ?
           child_ah_crap_handler :