From 08273623e6af245945b25d469d1a7d9a25f439e5 Mon Sep 17 00:00:00 2001
From: Igor Yakovlev <igor.yakovlev@jetbrains.com>
Date: Mon, 10 Apr 2023 19:05:39 +0200
Subject: [PATCH] [JS/Wasm] Remove redundant code

returnableBlockMap is never mutated, so the code that uses it seems to be dead
---
 .../backend/js/lower/coroutines/StateMachineBuilder.kt | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/StateMachineBuilder.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/StateMachineBuilder.kt
index 038f9379aa6..b1f8ccd1503 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/StateMachineBuilder.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/coroutines/StateMachineBuilder.kt
@@ -153,8 +153,6 @@ class StateMachineBuilder(
     private var currentState = entryState
     private var currentBlock = entryState.entryBlock
 
-    private val returnableBlockMap = mutableMapOf<IrReturnableBlockSymbol, Pair<SuspendState, IrVariableSymbol?>>()
-
     private val catchBlockStack = mutableListOf(rootExceptionTrap)
     private val tryStateMap = mutableMapOf<IrExpression, TryState>()
     private val tryLoopStack = mutableListOf<IrExpression>()
@@ -650,13 +648,7 @@ class StateMachineBuilder(
     override fun visitReturn(expression: IrReturn) {
         expression.acceptChildrenVoid(this)
         val returnTarget = expression.returnTargetSymbol
-        if (returnTarget is IrReturnableBlockSymbol) {
-            val (exitState, varSymbol) = returnableBlockMap[returnTarget]!!
-            if (varSymbol != null) {
-                transformLastExpression { JsIrBuilder.buildSetVariable(varSymbol, it, it.type) }
-            }
-            maybeDoDispatch(exitState)
-        } else {
+        if (returnTarget !is IrReturnableBlockSymbol) {
             transformLastExpression { expression.apply { value = it } }
         }
     }