From b7df9ec05a0d61549712ca37d09b9c248465d7b7 Mon Sep 17 00:00:00 2001
From: Mikhail Zarechenskiy <mikhail.zarechenskiy@jetbrains.com>
Date: Thu, 18 Jun 2020 18:59:23 +0300
Subject: [PATCH] Implement equals/hashCode as this class previously was a
 `data` one

 Fixes duplicated diagnostics in tests
---
 .../kotlin/resolve/deprecation/Deprecation.kt | 40 ++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/deprecation/Deprecation.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/deprecation/Deprecation.kt
index 8547f6e2f4b..0786a219ffe 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/deprecation/Deprecation.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/deprecation/Deprecation.kt
@@ -47,6 +47,24 @@ internal sealed class DeprecatedByAnnotation(
                 "HIDDEN" -> HIDDEN
                 else -> WARNING
             }
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (other !is StandardDeprecated) return false
+
+            if (annotation != other.annotation) return false
+            if (target != other.target) return false
+            if (propagatesToOverrides != other.propagatesToOverrides) return false
+
+            return true
+        }
+
+        override fun hashCode(): Int {
+            var hash = annotation.hashCode()
+            hash = hash * 31 + target.hashCode()
+            hash = hash * 31 + propagatesToOverrides.hashCode()
+            return hash
+        }
     }
 
     class DeprecatedSince(
@@ -54,7 +72,27 @@ internal sealed class DeprecatedByAnnotation(
         target: DeclarationDescriptor,
         propagatesToOverrides: Boolean,
         override val deprecationLevel: DeprecationLevelValue
-    ) : DeprecatedByAnnotation(annotation, target, propagatesToOverrides)
+    ) : DeprecatedByAnnotation(annotation, target, propagatesToOverrides) {
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (other !is DeprecatedSince) return false
+
+            if (annotation != other.annotation) return false
+            if (target != other.target) return false
+            if (propagatesToOverrides != other.propagatesToOverrides) return false
+            if (deprecationLevel != other.deprecationLevel) return false
+
+            return true
+        }
+
+        override fun hashCode(): Int {
+            var hash = annotation.hashCode()
+            hash = hash * 31 + target.hashCode()
+            hash = hash * 31 + propagatesToOverrides.hashCode()
+            hash = hash * 31 + deprecationLevel.hashCode()
+            return hash
+        }
+    }
 
     companion object {
         fun create(