JVM_IR KT-50277 skip temporary var elimination on inline suspend lambda

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/inlineCodegenUtils.kt

@@ -637,6 +637,9 @@ internal fun isBeforeFakeContinuationConstructorCallMarker(insn: AbstractInsnNod
 internal fun isAfterFakeContinuationConstructorCallMarker(insn: AbstractInsnNode) =
     isSuspendMarker(insn, INLINE_MARKER_AFTER_FAKE_CONTINUATION_CONSTRUCTOR_CALL)
 
+internal fun isSuspendInlineMarker(insn: AbstractInsnNode) =
+    isInlineMarker(insn, "mark")
+
 private fun isSuspendMarker(insn: AbstractInsnNode, id: Int) =
     isInlineMarker(insn, "mark") && insn.previous.intConstant == id
 

compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/temporaryVals/TemporaryVariablesEliminationTransformer.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.codegen.optimization.temporaryVals
 
+import org.jetbrains.kotlin.codegen.inline.isSuspendInlineMarker
 import org.jetbrains.kotlin.codegen.optimization.common.InsnSequence
 import org.jetbrains.kotlin.codegen.optimization.common.isMeaningful
 import org.jetbrains.kotlin.codegen.optimization.common.removeUnusedLocalVariables
@@ -23,6 +24,9 @@ class TemporaryVariablesEliminationTransformer(private val state: GenerationStat
     override fun transform(internalClassName: String, methodNode: MethodNode) {
         if (!state.isIrBackend) return
 
+        // If there are any suspend inline markers, don't touch anything now.
+        if (methodNode.instructions.any { isSuspendInlineMarker(it) }) return
+
         simplifyTrivialInstructions(methodNode)
 
         val cfg = ControlFlowGraph(methodNode)