EA-33401 - PIEAE: PsiElementBase.getContainingFile

diff --git a/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeMethodSignatureFromUsageFix.java b/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeMethodSignatureFromUsageFix.java
index ccdb81a65173a586a8f1bb295b8734e4316a6a14..029b12d3e423451b44ce104fb1f7033200cf84d3 100644 (file)
--- a/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeMethodSignatureFromUsageFix.java
+++ b/java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ChangeMethodSignatureFromUsageFix.java
@@ -155,6 +155,7 @@ public class ChangeMethodSignatureFromUsageFix implements IntentionAction, HighP
     for (PsiExpression expression : myExpressions) {
       if (!expression.isValid()) return false;
     }
+    if (!mySubstitutor.isValid()) return false;
 
     myNewParametersInfo = getNewParametersInfo(myExpressions, myTargetMethod, mySubstitutor);
     if (myNewParametersInfo == null || formatTypesList(myNewParametersInfo, myContext) == null) return false;