JVM_IR KT-45103 optimize direct invoke for lambdas and callable refs

compiler/testData/codegen/box/jvmField/capturePackageFields.kt

@@ -5,12 +5,13 @@
 @JvmField public val publicField = "1";
 @JvmField internal val internalField = "23";
 
-fun test(): String {
-    return {
-        publicField + internalField
-    }()
-}
+fun <T> eval(fn: () -> T) = fn()
 
+fun test(): String {
+    return eval {
+        publicField + internalField
+    }
+}
 
 fun box(): String {
     return if (test() == "123") return "OK" else "fail"