Support bound callable references in codegen

compiler/testData/codegen/box/callableReference/bound/inline/simple.kt

@@ -0,0 +1,5 @@
+inline fun foo(x: () -> String) = x()
+
+fun String.id() = this
+
+fun box() = foo("OK"::id)

compiler/testData/codegen/box/callableReference/bound/simpleFunction.kt

@@ -0,0 +1,4 @@
+fun box(): String {
+    val f = "KOTLIN"::get
+    return "${f(1)}${f(0)}"
+}

compiler/testData/codegen/box/callableReference/bound/simpleProperty.kt

@@ -0,0 +1,5 @@
+fun box(): String {
+    val f = "kotlin"::length
+    val result = f.get()
+    return if (result == 6) "OK" else "Fail: $result"
+}