GUI: Fix GotoDialog again (Attempt #32415)

x64_dbg_gui/Project/Src/Gui/GotoDialog.cpp

@@ -20,7 +20,7 @@ GotoDialog::GotoDialog(QWidget* parent) : QDialog(parent), ui(new Ui::GotoDialog
     validRangeStart = 0;
     validRangeEnd = 0;
     fileOffset = false;
-    mValidateThread = new ValidateExpressionThread();
+    mValidateThread = new ValidateExpressionThread(this);
     connect(mValidateThread, SIGNAL(expressionChanged(bool, bool, int_t)), this, SLOT(expressionChanged(bool, bool, int_t)));
     connect(ui->editExpression, SIGNAL(textEdited(QString)), mValidateThread, SLOT(textChanged(QString)));
     connect(this, SIGNAL(finished(int)), this, SLOT(finishedSlot(int)));
@@ -134,7 +134,6 @@ void GotoDialog::on_buttonOk_clicked()
     ui->editExpression->addLineToHistory(expression);
     ui->editExpression->setText("");
     expressionText = expression;
-    expressionChanged(false, false, 0);
 }
 
 void GotoDialog::finishedSlot(int result)

x64_dbg_gui/Project/Src/Utils/ValidateExpressionThread.cpp

@@ -1,11 +1,17 @@
 #include "ValidateExpressionThread.h"
 
-ValidateExpressionThread::ValidateExpressionThread()
+ValidateExpressionThread::ValidateExpressionThread(QObject* parent) : QThread(parent)
 {
     mExpressionChanged = false;
     mStopThread = false;
 }
 
+void ValidateExpressionThread::start()
+{
+    mStopThread = false;
+    QThread::start();
+}
+
 void ValidateExpressionThread::stop()
 {
     mStopThread = true;
@@ -38,5 +44,4 @@ void ValidateExpressionThread::run()
         }
         Sleep(50);
     }
-    mStopThread = false;
 }

x64_dbg_gui/Project/Src/Utils/ValidateExpressionThread.h

@@ -9,7 +9,8 @@ class ValidateExpressionThread : public QThread
 {
     Q_OBJECT
 public:
-    ValidateExpressionThread();
+    ValidateExpressionThread(QObject* parent = 0);
+    void start();
     void stop();
 
 signals: