Data Flow from Here: do not include named argument references

idea/src/org/jetbrains/kotlin/idea/slicer/OutflowSlicer.kt

@@ -103,6 +103,8 @@ class OutflowSlicer(
                 return
             }
 
+            if (refElement.parent is KtValueArgumentName) return // named argument reference is not a read or write
+
             val refExpression = KtPsiUtil.safeDeparenthesize(refElement)
             if (withDereferences) {
                 refExpression.processDereferences()

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

@@ -3,4 +3,3 @@
 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))

idea/testData/slicer/outflow/namedArgumentForConstructorParameter.kt

@@ -0,0 +1,6 @@
+// FLOW: OUT
+
+class C(val <caret>v: Int)
+
+fun foo() = C(v = 1)
+

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

@@ -0,0 +1 @@
+3 class C(<bold>val v: Int</bold>) (in C)

idea/tests/org/jetbrains/kotlin/idea/slicer/SlicerTreeTestGenerated.java

@@ -688,6 +688,11 @@ public class SlicerTreeTestGenerated extends AbstractSlicerTreeTest {
             runTest("idea/testData/slicer/outflow/memberPropertyUsages.kt");
         }
 
+        @TestMetadata("namedArgumentForConstructorParameter.kt")
+        public void testNamedArgumentForConstructorParameter() throws Exception {
+            runTest("idea/testData/slicer/outflow/namedArgumentForConstructorParameter.kt");
+        }
+
         @TestMetadata("nonInlineLetResult.kt")
         public void testNonInlineLetResult() throws Exception {
             runTest("idea/testData/slicer/outflow/nonInlineLetResult.kt");