Don't execute some autocommands when v:dying is 2 or more.
diff --git a/runtime/doc/version7.txt b/runtime/doc/version7.txt
index d59b622..f469ac0 100644
--- a/runtime/doc/version7.txt
+++ b/runtime/doc/version7.txt
@@ -7166,6 +7166,10 @@
 after recovery is compared to the original file contents.  When they differ
 the buffer is marked as modified.
 
+When Vim is exiting because of a deadly signal, when v:dying is 2 or more,
+VimLeavePre, VimLeave, BufWinLeave and BufUnload autocommands are not
+executed.
+
 
 Added							*added-7.3*
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