Final moves: map delegating accessors and timing utils, provide deprecated methods in the old place

libraries/stdlib/src/kotlin/properties/MapAccessors.kt

@@ -0,0 +1,39 @@
+@file:kotlin.jvm.JvmName("MapAccessorsKt")
+package kotlin.properties
+
+import kotlin.reflect.KProperty
+import kotlin.internal.Exact
+
+/**
+ * Returns the value of the property for the given object from this read-only map.
+ * @param thisRef the object for which the value is requested (not used).
+ * @param property the metadata for the property, used to get the name of property and lookup the value corresponding to this name in the map.
+ * @return the property value.
+ *
+ * @throws NoSuchElementException when the map doesn't contain value for the property name and doesn't provide an implicit default (see [withDefault]).
+ */
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+public operator fun <V, V1: V> Map<in String, @Exact V>.getValue(thisRef: Any?, property: KProperty<*>): V1 = getOrImplicitDefault(property.name) as V1
+
+/**
+ * Returns the value of the property for the given object from this mutable map.
+ * @param thisRef the object for which the value is requested (not used).
+ * @param property the metadata for the property, used to get the name of property and lookup the value corresponding to this name in the map.
+ * @return the property value.
+ *
+ * @throws NoSuchElementException when the map doesn't contain value for the property name and doesn't provide an implicit default (see [withDefault]).
+ */
+@kotlin.jvm.JvmName("getVar")
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+public operator fun <V> MutableMap<in String, in V>.getValue(thisRef: Any?, property: KProperty<*>): V = getOrImplicitDefault(property.name) as V
+
+/**
+ * Stores the value of the property for the given object in this mutable map.
+ * @param thisRef the object for which the value is requested (not used).
+ * @param property the metadata for the property, used to get the name of property and store the value associated with that name in the map.
+ * @param value the value to set.
+ */
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+public operator fun <V> MutableMap<in String, in V>.setValue(thisRef: Any?, property: KProperty<*>, value: V) {
+    this.put(property.name, value)
+}

libraries/stdlib/src/kotlin/system/Timing.kt

@@ -1,4 +1,5 @@
 @file:kotlin.jvm.JvmName("TimingKt")
+@file:kotlin.jvm.JvmVersion
 package kotlin.system
 
 /**

libraries/stdlib/src/kotlin/util/SystemJVM.kt

@@ -0,0 +1,22 @@
+@file:kotlin.jvm.JvmName("TimingUtilsKt")
+package kotlin.util
+
+/**
+ * Executes the given block and returns elapsed time in milliseconds.
+ */
+@Deprecated("Use measureTimeMillis from system.timing instead.", ReplaceWith("kotlin.system.measureTimeMillis(block)", "kotlin.system"))
+public fun measureTimeMillis(block: () -> Unit) : Long {
+    val start = System.currentTimeMillis()
+    block()
+    return System.currentTimeMillis() - start
+}
+
+/**
+ * Executes the given block and returns elapsed time in nanoseconds.
+ */
+@Deprecated("Use measureTimeNano from system.timing instead.", ReplaceWith("kotlin.system.measureTimeNano(block)", "kotlin.system"))
+public fun measureTimeNano(block: () -> Unit) : Long {
+    val start = System.nanoTime()
+    block()
+    return System.nanoTime() - start
+}