[BE JVM] KT-51352 Do not mix extension and context receivers in suspends

compiler/testData/codegen/box/extensionFunctions/contextReceivers/suspendContextualWithExtension.kt

@@ -0,0 +1,39 @@
+// !LANGUAGE: +ContextReceivers
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_COROUTINES
+// WITH_STDLIB
+// FIR status: context receivers aren't yet supported
+
+import helpers.*
+import kotlin.coroutines.*
+import kotlin.coroutines.intrinsics.*
+
+class Context {
+    fun c() = "O"
+}
+
+class Extension {
+    fun e() = "K"
+}
+
+context(Context)
+suspend fun Extension.suspendingTest() = c() + e()
+
+fun builder(c: suspend () -> Unit) {
+    c.startCoroutine(EmptyContinuation)
+}
+
+fun box(): String {
+    var result = "fail"
+
+    builder {
+        with(Extension()) {
+            with(Context()) {
+                result = suspendingTest()
+            }
+        }
+    }
+
+    return result
+}