Check if element is valid before checking it's writable

Otherwise it may lead to exception
2015-03-23 10:58:30 +03:00
parent 7aa2642a2b
commit 9da88bbd0f
1 changed files with 1 additions and 1 deletions
@@ -87,7 +87,7 @@ public abstract class ChangeFunctionSignatureFix extends JetIntentionAction<PsiE
        }

        for (PsiElement declaration : declarations) {
-            if (!QuickFixUtil.canModifyElement(declaration)) {
+            if (!declaration.isValid() || !QuickFixUtil.canModifyElement(declaration)) {
                return false;
            }
        }