deprecation inspection fix: make it available if 2 tags reference to the same method

java/java-analysis-impl/src/com/intellij/codeInspection/deprecation/DeprecationInspectionBase.java

@@ -44,6 +44,7 @@ import org.jetbrains.annotations.Nullable;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.Objects;
 
 abstract class DeprecationInspectionBase extends BaseJavaBatchLocalInspectionTool {
   public boolean IGNORE_IN_SAME_OUTERMOST_CLASS;
@@ -356,10 +357,14 @@ abstract class DeprecationInspectionBase extends BaseJavaBatchLocalInspectionToo
         String name = t.getName();
         return "link".equals(name) || "see".equals(name);
       })
-      .collect(MoreCollectors.onlyOne())
       .map(tag -> tag.getValueElement())
+      .filter(Objects::nonNull)
       .map(value -> value.getReference())
+      .filter(Objects::nonNull)
       .map(reference -> reference.resolve())
+      .filter(Objects::nonNull)
+      .distinct()
+      .collect(MoreCollectors.onlyOne())
       .filter(resolved -> resolved instanceof PsiMethod)
       .orElse(null);
     return tagMethod == null || tagMethod.isDeprecated() || tagMethod.isEquivalentTo(method) || !areReplaceable(method, tagMethod, call)

java/java-tests/testData/inspection/deprecation/quickFix/afterTwoTags.java

@@ -0,0 +1,20 @@
+// "Replace method call with Test.mmm1" "true"
+class Test {
+  static void example() {
+    Test t = new Test();
+    Test.mmm1("");
+  }
+
+  /**
+   * {@link Test#mmm1(String)}
+   *
+   * @see Test#mmm1(String)
+   */
+  @Deprecated
+  void mmm(String t) {
+  }
+
+  static void mmm1(String string) {
+
+  }
+}

java/java-tests/testData/inspection/deprecation/quickFix/beforeTwoTags.java

@@ -0,0 +1,20 @@
+// "Replace method call with Test.mmm1" "true"
+class Test {
+  static void example() {
+    Test t = new Test();
+    t.m<caret>mm("");
+  }
+
+  /**
+   * {@link Test#mmm1(String)}
+   *
+   * @see Test#mmm1(String)
+   */
+  @Deprecated
+  void mmm(String t) {
+  }
+
+  static void mmm1(String string) {
+
+  }
+}