[stdlib] Merge js-ir specific sources into common js sources

libraries/stdlib/js/runtime/hacks.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin
+
+@PublishedApi
+internal fun throwUninitializedPropertyAccessException(name: String): Nothing =
+    throw UninitializedPropertyAccessException("lateinit property $name has not been initialized")
+
+@PublishedApi
+internal fun throwKotlinNothingValueException(): Nothing =
+    throw KotlinNothingValueException()
+
+internal fun noWhenBranchMatchedException(): Nothing = throw NoWhenBranchMatchedException()
+
+internal fun THROW_ISE(): Nothing {
+    throw IllegalStateException()
+}
+
+internal fun THROW_CCE(): Nothing {
+    throw ClassCastException()
+}
+
+internal fun THROW_NPE(): Nothing {
+    throw NullPointerException()
+}
+
+internal fun THROW_IAE(msg: String): Nothing {
+    throw IllegalArgumentException(msg)
+}
+
+internal fun <T:Any> ensureNotNull(v: T?): T = if (v == null) THROW_NPE() else v