Add test for calling release coroutine from experimental one

compiler/testData/compileKotlinAgainstCustomBinaries/releaseCoroutineCallFromExperimental/experimental.kt

@@ -0,0 +1,3 @@
+suspend fun callRelease() {
+    dummy()
+}

compiler/testData/compileKotlinAgainstCustomBinaries/releaseCoroutineCallFromExperimental/library/release.kt

@@ -0,0 +1 @@
+suspend fun dummy() {}

compiler/testData/compileKotlinAgainstCustomBinaries/releaseCoroutineCallFromExperimental/output.txt

@@ -0,0 +1,4 @@
+compiler/testData/compileKotlinAgainstCustomBinaries/releaseCoroutineCallFromExperimental/experimental.kt:2:5: error: 'dummy(): Unit' is only available since Kotlin 1.3 and cannot be used in Kotlin 1.2
+    dummy()
+    ^
+COMPILATION_ERROR

compiler/tests/org/jetbrains/kotlin/jvm/compiler/CompileKotlinAgainstCustomBinariesTest.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the license/LICENSE.txt file.
  */
 
@@ -432,6 +432,16 @@ class CompileKotlinAgainstCustomBinariesTest : AbstractKotlinCompilerIntegration
         compileKotlin("source.kt", tmpdir, listOf(library))
     }
 
+    fun testReleaseCoroutineCallFromExperimental() {
+        val library = compileLibrary("library", additionalOptions = listOf("-language-version", "1.3"), checkKotlinOutput = {})
+        compileKotlin(
+            "experimental.kt",
+            tmpdir,
+            listOf(library),
+            additionalOptions = listOf("-language-version", "1.2", "-Xskip-metadata-version-check")
+        )
+    }
+
     companion object {
         // compiler before 1.1.4 version  did not include suspension marks into bytecode.
         private fun stripSuspensionMarksToImitateLegacyCompiler(bytes: ByteArray): Pair<ByteArray, Int> {