Anonymous function expressions ('fun(...) { ... }') and local functions (no closures yet).

compiler/testData/ir/irText/lambdas/anonymousFunction.kt

@@ -0,0 +1 @@
+val anonymous = fun() { println() }

compiler/testData/ir/irText/lambdas/anonymousFunction.txt

@@ -0,0 +1,8 @@
+FILE /anonymousFunction.kt
+  PROPERTY public val anonymous: () -> kotlin.Unit getter=null setter=null
+    EXPRESSION_BODY
+      BLOCK type=() -> kotlin.Unit operator=ANONYMOUS_FUNCTION
+        FUN local final fun <no name provided>(): kotlin.Unit
+          BLOCK_BODY
+            CALL .println type=kotlin.Unit operator=null
+        CALLABLE_REFERENCE local final fun <no name provided>(): kotlin.Unit type=() -> kotlin.Unit

compiler/testData/ir/irText/lambdas/localFunction.kt

@@ -0,0 +1,5 @@
+fun outer() {
+    var x = 0
+    fun local() { x++ }
+    local()
+}

compiler/testData/ir/irText/lambdas/localFunction.txt

@@ -0,0 +1,15 @@
+FILE /localFunction.kt
+  FUN public fun outer(): kotlin.Unit
+    BLOCK_BODY
+      VAR var x: kotlin.Int
+        CONST Int type=kotlin.Int value='0'
+      FUN local final fun local(): kotlin.Unit
+        BLOCK_BODY
+          BLOCK type=kotlin.Int operator=POSTFIX_INCR
+            VAR val tmp0: kotlin.Int
+              GET_VAR x type=kotlin.Int operator=POSTFIX_INCR
+            SET_VAR x type=kotlin.Unit operator=POSTFIX_INCR
+              CALL .inc type=kotlin.Int operator=POSTFIX_INCR
+                $this: GET_VAR tmp0 type=kotlin.Int operator=null
+            GET_VAR tmp0 type=kotlin.Int operator=null
+      CALL .local type=kotlin.Unit operator=null