1 files changed, 2 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4function.cpp b/src/qml/jsruntime/qv4function.cpp
index a39050aaf2..89eb5baba2 100644
--- a/src/qml/jsruntime/qv4function.cpp
+++ b/src/qml/jsruntime/qv4function.cpp
@@ -62,12 +62,14 @@ Function::Function(ExecutionEngine *engine, CompiledData::CompilationUnit *unit,
     name = compilationUnit->runtimeStrings[compiledFunction->nameIndex].asString();
 
     formals.resize(compiledFunction->nFormals);
+    formals.fill(0);
     const quint32 *formalsIndices = compiledFunction->formalsTable();
     for (int i = 0; i < compiledFunction->nFormals; ++i)
         formals[i] = engine->newString(unit->data->stringAt(formalsIndices[i]));
 
 
     locals.resize(compiledFunction->nLocals);
+    locals.fill(0);
     const quint32 *localsIndices = compiledFunction->localsTable();
     for (int i = 0; i < compiledFunction->nLocals; ++i)
         locals[i] = engine->newString(unit->data->stringAt(localsIndices[i]));