From ddc2dd16121b10da129d363530a365361435a849 Mon Sep 17 00:00:00 2001
From: Andrew Chow <achow101-github@achow101.com>
Date: Wed, 22 Mar 2017 20:34:27 -0400
Subject: [PATCH] Ensure an item exists on the rpcconsole stack before adding

Ensures that there is an item on the rpcconsole stack before adding something to the current stack so that a segmentation fault does not occur.

Github-Pull: #10060
Rebased-From: 4df76e270caa9d828179cae1c7a8918d6f91ec21
---
 src/qt/rpcconsole.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 60406c205..001f19926 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -175,6 +175,10 @@ bool RPCConsole::RPCParseCommandLine(std::string &strResult, const std::string &
             nDepthInsideSensitive = 1;
             filter_begin_pos = chpos;
         }
+        // Make sure stack is not empty before adding something
+        if (stack.empty()) {
+            stack.push_back(std::vector<std::string>());
+        }
         stack.back().push_back(strArg);
     };