change signature: fix param name hides field (IDEA-98123)

java/java-tests/testData/refactoring/changeSignature/ParamNameSameAsFieldName.java

@@ -0,0 +1,13 @@
+class Test {
+    int fieldName;
+
+    void fo<caret>o(int name) {
+        fieldName = name;
+    }
+}
+
+class TestImpl extends Test {
+  void foo(int name) {
+    fieldName = name;
+  }
+}

java/java-tests/testData/refactoring/changeSignature/ParamNameSameAsFieldName_after.java

@@ -0,0 +1,13 @@
+class Test {
+    int fieldName;
+
+    void foo(int fieldName) {
+        this.fieldName = fieldName;
+    }
+}
+
+class TestImpl extends Test {
+  void foo(int fieldName) {
+    this.fieldName = fieldName;
+  }
+}