Don't wrap argument list containing anonymous functions

Just like for objects and lambdas, don't consider line breaks inside
anonymous functions as line breaks inside argument list

idea/formatter/src/org/jetbrains/kotlin/idea/formatter/kotlinSpacingRules.kt

@@ -581,6 +581,13 @@ private fun excludeLambdasAndObjects(parent: ASTBlock): List<TextRange> {
             super.visitObjectLiteralExpression(expression)
             rangesToExclude.add(expression.textRange)
         }
+
+        override fun visitNamedFunction(function: KtNamedFunction) {
+            super.visitNamedFunction(function)
+            if (function.name == null) {
+                rangesToExclude.add(function.textRange)
+            }
+        }
     })
     return TextRangeUtil.excludeRanges(parent.textRange, rangesToExclude).toList()
 }

idea/testData/formatter/parameterList/KT19727.after.kt

@@ -14,6 +14,10 @@ fun main(args: Array<String>) {
             println("Hello world")
         }
     })
+
+    useCallable("B", fun() {
+        println("Hello world")
+    })
 }
 
 // SET_TRUE: CALL_PARAMETERS_LPAREN_ON_NEXT_LINE

idea/testData/formatter/parameterList/KT19727.kt

@@ -14,6 +14,10 @@ fun main(args: Array<String>) {
             println("Hello world")
         }
     })
+
+    useCallable("B", fun() {
+        println("Hello world")
+    })
 }
 
 // SET_TRUE: CALL_PARAMETERS_LPAREN_ON_NEXT_LINE