Data Flow to Here: process data-class copy-method calls

idea/testData/slicer/outflow/dataClassCopy.kt

@@ -0,0 +1,11 @@
+// FLOW: OUT
+
+data class DataClass(val value1: Int, val value2: Int)
+
+fun foo(dataClass: DataClass) {
+    val v = dataClass.value1
+}
+
+fun bar(<caret>value: Int, dataClass: DataClass) {
+    foo(dataClass.copy(value1 = value))
+}

idea/testData/slicer/outflow/dataClassCopy.results.txt

@@ -0,0 +1,6 @@
+9 fun bar(<bold>value: Int</bold>, dataClass: DataClass) { (in bar(Int, DataClass))
+10 	foo(dataClass.copy(value1 = <bold>value</bold>)) (in bar(Int, DataClass))
+3 		data class DataClass(<bold>val value1: Int</bold>, val value2: Int) (in DataClass)
+6 			val v = dataClass.<bold>value1</bold> (in foo(DataClass))
+6 				<bold>val v</bold> = dataClass.value1 (in foo(DataClass))
+10 			foo(dataClass.copy(<bold>value1</bold> = value)) (in bar(Int, DataClass))