From 885e4af1f4ba3f047c3d932a1a780ddbba481170 Mon Sep 17 00:00:00 2001
From: Ulf Hermann <ulf.hermann@qt.io>
Date: Fri, 15 Feb 2019 14:04:54 +0100
Subject: QML: Don't crash the parser on certain kinds of bad input

Fixes: QTBUG-72734
Change-Id: I92146ec517c6a26a67e13830618e137f2a3021c2
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
---
 tests/auto/qml/qqmlparser/tst_qqmlparser.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'tests/auto/qml/qqmlparser')

diff --git a/tests/auto/qml/qqmlparser/tst_qqmlparser.cpp b/tests/auto/qml/qqmlparser/tst_qqmlparser.cpp
index ce9d0ac894..c2c73935c0 100644
--- a/tests/auto/qml/qqmlparser/tst_qqmlparser.cpp
+++ b/tests/auto/qml/qqmlparser/tst_qqmlparser.cpp
@@ -53,6 +53,7 @@ private slots:
     void stringLiteral();
     void noSubstitutionTemplateLiteral();
     void templateLiteral();
+    void leadingSemicolonInClass();
 
 private:
     QStringList excludedDirs;
@@ -274,6 +275,15 @@ void tst_qqmlparser::templateLiteral()
     QVERIFY(e);
 }
 
+void tst_qqmlparser::leadingSemicolonInClass()
+{
+    QQmlJS::Engine engine;
+    QQmlJS::Lexer lexer(&engine);
+    lexer.setCode(QLatin1String("class X{;n(){}}"), 1);
+    QQmlJS::Parser parser(&engine);
+    QVERIFY(parser.parseProgram());
+}
+
 QTEST_MAIN(tst_qqmlparser)
 
 #include "tst_qqmlparser.moc"
-- 
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