Fix the build

compiler/util/src/org/jetbrains/kotlin/utils/jvmUtils.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.utils
+
+import java.io.PrintWriter
+import java.io.StringWriter
+
+val Exception.stackTraceStr: String
+        get() {
+            val sw = StringWriter()
+            PrintWriter(sw).use { printStackTrace(it) }
+            return sw.toString()
+        }