Try to postpone activating decompiler from light element equivalence

compiler/light-classes/src/org/jetbrains/kotlin/asJava/builder/LightElementOrigin.kt

@@ -54,7 +54,10 @@ interface LightMemberOrigin : LightElementOrigin {
     val auxiliaryOriginalElement: KtDeclaration? get() = null
 
     fun isValid(): Boolean
+
     fun isEquivalentTo(other: LightMemberOrigin?): Boolean
+    fun isEquivalentTo(other: PsiElement?): Boolean
+
     fun copy(): LightMemberOrigin
 }
 
@@ -68,7 +71,11 @@ data class LightMemberOriginForDeclaration(
 
     override fun isEquivalentTo(other: LightMemberOrigin?): Boolean {
         if (other !is LightMemberOriginForDeclaration) return false
-        return originalElement.isEquivalentTo(other.originalElement)
+        return isEquivalentTo(other.originalElement)
+    }
+
+    override fun isEquivalentTo(other: PsiElement?): Boolean {
+        return originalElement.isEquivalentTo(other)
     }
 
     override fun copy(): LightMemberOrigin {

compiler/light-classes/src/org/jetbrains/kotlin/asJava/elements/KtLightMemberImpl.kt

@@ -70,13 +70,9 @@ abstract class KtLightMemberImpl<out D : PsiMember>(
     }
 
     override fun isEquivalentTo(another: PsiElement?): Boolean {
-        if (lightMemberOrigin?.originalElement?.isEquivalentTo(another) == true) return true
+        return this == another ||
-
+                lightMemberOrigin?.isEquivalentTo(another) == true ||
-        val isEquivalentByOrigin =
+                another is KtLightMember<*> && lightMemberOrigin?.isEquivalentTo(another.lightMemberOrigin) == true
-            another is KtLightMember<*> &&
-                    lightMemberOrigin?.isEquivalentTo(another.lightMemberOrigin) == true
-
-        return isEquivalentByOrigin || this == another
     }
 }
 

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/lightClasses/LightMemberOriginForCompiledElement.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.idea.caches.lightClasses
 
+import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiField
 import com.intellij.psi.PsiMember
 import com.intellij.psi.PsiMethod
@@ -48,6 +49,14 @@ interface LightMemberOriginForCompiledElement<T : PsiMember> : LightMemberOrigin
     override val originKind: JvmDeclarationOriginKind
         get() = JvmDeclarationOriginKind.OTHER
 
+    override fun isEquivalentTo(other: PsiElement?): Boolean {
+        return when (other) {
+            is KtDeclaration -> originalElement?.isEquivalentTo(other) ?: false
+            is PsiMember -> member.isEquivalentTo(other)
+            else -> false
+        }
+    }
+
     override fun isValid(): Boolean = member.isValid
 }