Accept missing semicolon after do-while statement.

Although not valid according to ECMA 5.1, both JSC and V8 accept a
missing semicolon after a do-while loop. (Both JSC and V8 do not do this
through automatic semicolon insertion, but handle it as a special case.)

Change-Id: Iff2b07b894564740d2dcbf9b1d46bc279d30b9e3
Reviewed-by: Alan Alpert <aalpert@rim.com>

2 files changed, 21 insertions, 0 deletions

diff --git a/tests/auto/qml/qqmlecmascript/data/compatibilitySemicolon.qml b/tests/auto/qml/qqmlecmascript/data/compatibilitySemicolon.qml
new file mode 100644
index 0000000000..594a1b3605
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/compatibilitySemicolon.qml
@@ -0,0 +1,13 @@
+
+import QtQuick 2.0
+
+QtObject {
+    function code() {
+
+        // Not correct according to ECMA 5.1, but JSC and V8 accept the following:
+        do {
+            ;
+        } while (false) true
+    }
+}
+
diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
index 0ae06681fd..a99c5fa8be 100644
--- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
+++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
@@ -265,6 +265,7 @@ private slots:
     void registeredFlagMethod();
     void deleteLaterObjectMethodCall();
     void automaticSemicolon();
+    void compatibilitySemicolon();
     void unaryExpression();
     void switchStatement();
     void withStatement();
@@ -6600,6 +6601,13 @@ void tst_qqmlecmascript::automaticSemicolon()
     QVERIFY(object != 0);
 }
 
+void tst_qqmlecmascript::compatibilitySemicolon()
+{
+    QQmlComponent component(&engine, testFileUrl("compatibilitySemicolon.qml"));
+    QObject *object = component.create();
+    QVERIFY(object != 0);
+}
+
 void tst_qqmlecmascript::unaryExpression()
 {
     QQmlComponent component(&engine, testFileUrl("unaryExpression.qml"));