From 9295d7cf608cafdae32240d5dd3b84a5de68d715 Mon Sep 17 00:00:00 2001
From: Alexander Shabalin <alexander.shabalin@jetbrains.com>
Date: Mon, 1 Feb 2021 15:30:06 +0300
Subject: [PATCH] Fix single-thread check

---
 kotlin-native/runtime/src/main/cpp/Runtime.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kotlin-native/runtime/src/main/cpp/Runtime.cpp b/kotlin-native/runtime/src/main/cpp/Runtime.cpp
index 84b0cafa181..debbf00455f 100644
--- a/kotlin-native/runtime/src/main/cpp/Runtime.cpp
+++ b/kotlin-native/runtime/src/main/cpp/Runtime.cpp
@@ -120,6 +120,9 @@ RuntimeState* initRuntime() {
               RuntimeAssert(lastStatus != kGlobalRuntimeShutdown, "Kotlin runtime was shut down. Cannot create new runtimes.");
           }
           firstRuntime = lastStatus == kGlobalRuntimeUninitialized;
+          if (CurrentMemoryModel == MemoryModel::kExperimental) {
+              RuntimeCheck(firstRuntime, "Experimental MM does not support multiple mutator threads yet");
+          }
           result->memoryState = InitMemory(firstRuntime);
           result->worker = WorkerInit(true);
   }