Fix crashes when parsing some invalid JS

function foo() { let x; function x() {} }

would crash. Throw an error instead now.

Change-Id: I5e5588deb21c1777be15a6656baefc422d59ff0c
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qml/compiler/qv4compilerscanfunctions_p.h b/src/qml/compiler/qv4compilerscanfunctions_p.h
index 940bd9f73a..cf79da2203 100644
--- a/src/qml/compiler/qv4compilerscanfunctions_p.h
+++ b/src/qml/compiler/qv4compilerscanfunctions_p.h
@@ -111,7 +111,7 @@ protected:
     bool visit(AST::FunctionExpression *ast) override;
     bool visit(AST::TemplateLiteral *ast) override;
 
-    void enterFunction(AST::FunctionExpression *ast, bool enterName);
+    bool enterFunction(AST::FunctionExpression *ast, bool enterName);
 
     void endVisit(AST::FunctionExpression *) override;
 
@@ -136,7 +136,7 @@ protected:
     bool visit(AST::Block *ast) override;
 
 protected:
-    void enterFunction(AST::Node *ast, const QString &name, AST::FormalParameterList *formals, AST::StatementList *body, AST::FunctionExpression *expr);
+    bool enterFunction(AST::Node *ast, const QString &name, AST::FormalParameterList *formals, AST::StatementList *body, AST::FunctionExpression *expr);
 
     void calcEscapingVariables();
 // fields: