From 637767fec893b43c4e6201a434fa435991ffe543 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Tue, 20 Dec 2016 23:15:21 +0100
Subject: [PATCH] Flush nout before inducing crash in assert-abort

---
 dtool/src/prc/notify.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dtool/src/prc/notify.cxx b/dtool/src/prc/notify.cxx
index ebfd19ac42..9a34869923 100644
--- a/dtool/src/prc/notify.cxx
+++ b/dtool/src/prc/notify.cxx
@@ -405,6 +405,9 @@ assert_failure(const char *expression, int line,
   // so we can guarantee it has already been constructed.
   ALIGN_16BYTE ConfigVariableBool assert_abort("assert-abort", false);
   if (assert_abort) {
+    // Make sure the error message has been flushed to the output.
+    nout.flush();
+
 #ifdef WIN32
     // How to trigger an exception in VC++ that offers to take us into
     // the debugger?  abort() doesn't do it.  We used to be able to