Merge #10060: [Qt] Ensure an item exists on the rpcconsole stack before adding

4df76e2 Ensure an item exists on the rpcconsole stack before adding (Andrew Chow)

Tree-SHA512: f3fd5e70da186949aff794f6e2ba122da2145331212dcc5e0595285bee9dc3aa6b400b15e8eeec4476099965b74f46c4ef80f8ed1e05d490580167b002b9a5e7

src/qt/rpcconsole.cpp

@@ -185,6 +185,10 @@ 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);
     };