create from usage: ensure that refs for methods/locals are not mixed (IDEA-195066)

java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/CreateFromUsageUtils.java

@@ -500,7 +500,8 @@ public class CreateFromUsageUtils {
     final List<PsiReferenceExpression> result = new ArrayList<>();
     JavaRecursiveElementWalkingVisitor visitor = new JavaRecursiveElementWalkingVisitor() {
       @Override public void visitReferenceExpression(PsiReferenceExpression expr) {
-        if (expression instanceof PsiReferenceExpression) {
+        if (expression instanceof PsiReferenceExpression && 
+            (expr.getParent() instanceof PsiMethodCallExpression == expression.getParent() instanceof PsiMethodCallExpression)) {
           if (Comparing.equal(expr.getReferenceName(), ((PsiReferenceExpression)expression).getReferenceName()) && !isValidReference(expr, false)) {
             result.add(expr);
           }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/createLocalFromUsage/afterSameVarMethodNames.java

@@ -0,0 +1,13 @@
+// "Create local variable 'a'" "true"
+class C {
+  C builder() {
+    return this;
+  }
+  
+  void foo() {
+      String a;
+      builder().a(a).intValue();
+   }
+   
+   Integer a(String s) {}
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/createLocalFromUsage/beforeSameVarMethodNames.java

@@ -0,0 +1,12 @@
+// "Create local variable 'a'" "true"
+class C {
+  C builder() {
+    return this;
+  }
+  
+  void foo() {
+      builder().a(<caret>a).intValue();
+   }
+   
+   Integer a(String s) {}
+}