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

idea/testData/slicer/inflow/dataClassCopy.kt

@@ -0,0 +1,15 @@
+// FLOW: IN
+
+data class DataClass(val value1: Int, val value2: Int)
+
+fun foo(dataClass: DataClass) {
+    val <caret>v = dataClass.value1
+}
+
+fun bar() {
+    val dataClass = DataClass(1, 2)
+    foo(dataClass)
+    foo(dataClass.copy(value1 = 10))
+    foo(dataClass.copy(value2 = 11))
+    foo(DataClass(value1 = 1, value2 = 2))
+}