From 69353ee9bf9fb76cd72a52d33ef05071948f4f1c Mon Sep 17 00:00:00 2001
From: Yan Zhulanow <yan.zhulanow@jetbrains.com>
Date: Wed, 27 Mar 2019 21:29:06 +0300
Subject: [PATCH] Async stack traces: fix compatibility with kotlin-stdlib
 1.2.70 (KT-30611)

---
 .../debugger/KotlinCoroutinesAsyncStackTraceProvider.kt    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/debugger/KotlinCoroutinesAsyncStackTraceProvider.kt b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/debugger/KotlinCoroutinesAsyncStackTraceProvider.kt
index e333a82458e..cb924c4a0a0 100644
--- a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/debugger/KotlinCoroutinesAsyncStackTraceProvider.kt
+++ b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/debugger/KotlinCoroutinesAsyncStackTraceProvider.kt
@@ -54,7 +54,12 @@ class KotlinCoroutinesAsyncStackTraceProvider : KotlinCoroutinesAsyncStackTraceP
         val evaluationContext = EvaluationContextImpl(suspendContext, frameProxy)
         val context = ExecutionContext(evaluationContext, frameProxy)
 
-        val debugMetadataKtType = context.findClass(DEBUG_METADATA_KT) as? ClassType ?: return null
+        val debugMetadataKtType = try {
+            context.findClass(DEBUG_METADATA_KT) as? ClassType
+        } catch (e: Throwable) {
+            // DebugMetadataKt not found, probably old kotlin-stdlib version
+            return null
+        } ?: return null
 
         val asyncContext = AsyncStackTraceContext(context, method, debugMetadataKtType)
         return asyncContext.getAsyncStackTraceForSuspendLambda() ?: asyncContext.getAsyncStackTraceForSuspendFunction()