From 77abcf1579ff4ec56956826f9d44097c345499f6 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Mon, 17 Feb 2020 14:30:37 -0500
Subject: [PATCH] Don't crash on exit when showing Nyquist workbench

---
 lib-src/mod-nyq-bench/NyqBench.cpp | 6 ++++++
 lib-src/mod-nyq-bench/NyqBench.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/lib-src/mod-nyq-bench/NyqBench.cpp b/lib-src/mod-nyq-bench/NyqBench.cpp
index 7e57db9bd..d21397279 100755
--- a/lib-src/mod-nyq-bench/NyqBench.cpp
+++ b/lib-src/mod-nyq-bench/NyqBench.cpp
@@ -194,6 +194,8 @@ extern "C"
             //Can happen if the menu item was never invoked.
             //wxASSERT(gBench != NULL);
             if (gBench) {
+               // be sure to do this while gPrefs still exists:
+               gBench->SavePrefs();
                gBench->Destroy();
                gBench = NULL;
             }
@@ -863,6 +865,10 @@ NyqBench::NyqBench(wxWindow * parent)
 }
 
 NyqBench::~NyqBench()
+{
+}
+
+void NyqBench::SavePrefs()
 {
    gPrefs->Write(wxT("NyqBench/Window/Maximized"), IsMaximized());
    if (!IsMaximized()) {
diff --git a/lib-src/mod-nyq-bench/NyqBench.h b/lib-src/mod-nyq-bench/NyqBench.h
index 070bb3a98..30a99c934 100755
--- a/lib-src/mod-nyq-bench/NyqBench.h
+++ b/lib-src/mod-nyq-bench/NyqBench.h
@@ -107,6 +107,7 @@ class NyqBench:public wxFrame
    void ShowNyqBench(const CommandContext&);
 
    static NyqBench *GetBench();
+   void SavePrefs();
 
  private:
    void PopulateOrExchange(ShuttleGui & S);