Support closures in codegen for callable references

compiler/testData/codegen/box/callableReference/local/captureOuter.kt

@@ -0,0 +1,12 @@
+class Outer {
+    val result = "OK"
+
+    inner class Inner {
+        fun foo() = result
+    }
+}
+
+fun box(): String {
+    val f = Outer.Inner::foo
+    return Outer().Inner().f()
+}

compiler/testData/codegen/box/callableReference/local/closureWithSideEffect.kt

@@ -0,0 +1,9 @@
+fun box(): String {
+    var result = "Fail"
+
+    fun changeToOK() { result = "OK" }
+
+    val ok = ::changeToOK
+    ok()
+    return result
+}

compiler/testData/codegen/box/callableReference/local/localClassMember.kt

@@ -0,0 +1,11 @@
+fun box(): String {
+    val result = "OK"
+
+    class Local {
+        fun foo() = result
+    }
+
+    val member = Local::foo
+    val instance = Local()
+    return instance.member()
+}

compiler/testData/codegen/box/callableReference/local/recursiveClosure.kt

@@ -0,0 +1,7 @@
+fun foo(until: Int): String {
+    fun bar(x: Int): String =
+        if (x == until) "OK" else bar(x + 1)
+    return (::bar)(0)
+}
+
+fun box() = foo(10)

compiler/testData/codegen/box/callableReference/local/simpleClosure.kt

@@ -0,0 +1,7 @@
+fun box(): String {
+    val result = "OK"
+
+    fun foo() = result
+
+    return (::foo)()
+}