Don't wrap parentheses in long argument list containing only object

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

@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.idea.formatter
 
 import com.intellij.formatting.*
 import com.intellij.lang.ASTNode
+import com.intellij.psi.PsiElement
 import com.intellij.psi.TokenType
 import com.intellij.psi.codeStyle.CodeStyleSettings
 import com.intellij.psi.codeStyle.CommonCodeStyleSettings
@@ -370,8 +371,15 @@ abstract class KotlinCommonBlock(
         val nodePsi = node.psi
 
         when {
-            elementType === KtNodeTypes.VALUE_ARGUMENT_LIST ->
+            elementType === KtNodeTypes.VALUE_ARGUMENT_LIST -> {
-                return getWrappingStrategyForItemList(commonSettings.CALL_PARAMETERS_WRAP, KtNodeTypes.VALUE_ARGUMENT)
+                val wrapSetting = commonSettings.CALL_PARAMETERS_WRAP
+                if ((wrapSetting == CommonCodeStyleSettings.WRAP_AS_NEEDED || wrapSetting == CommonCodeStyleSettings.WRAP_ON_EVERY_ITEM) &&
+                    !needWrapArgumentList(nodePsi)
+                ) {
+                    return WrappingStrategy.NoWrapping
+                }
+                return getWrappingStrategyForItemList(wrapSetting, KtNodeTypes.VALUE_ARGUMENT)
+            }
 
             elementType === KtNodeTypes.VALUE_PARAMETER_LIST -> {
                 if (parentElementType === KtNodeTypes.FUN ||
@@ -512,6 +520,11 @@ private fun getWrapAfterAnnotation(childElement: ASTNode, wrapType: Int): Wrap?
     return null
 }
 
+fun needWrapArgumentList(psi: PsiElement): Boolean {
+    val args = (psi as? KtValueArgumentList)?.arguments
+    return args?.singleOrNull()?.getArgumentExpression() !is KtObjectLiteralExpression
+}
+
 private val INDENT_RULES = arrayOf<NodeIndentStrategy>(
         strategy("No indent for braces in blocks")
                 .within(KtNodeTypes.BLOCK, KtNodeTypes.CLASS_BODY, KtNodeTypes.FUNCTION_LITERAL)

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

@@ -159,6 +159,17 @@ fun createSpacingBuilder(settings: CodeStyleSettings, builderUtil: KotlinSpacing
                                                  false, 0)
             }
 
+            inPosition(parent = VALUE_ARGUMENT_LIST, left = LPAR).customRule { parent, _, _ ->
+                if (kotlinCommonSettings.CALL_PARAMETERS_LPAREN_ON_NEXT_LINE && needWrapArgumentList(parent.node.psi)) {
+                    Spacing.createDependentLFSpacing(0, 0,
+                                                     parent.textRange,
+                                                     commonCodeStyleSettings.KEEP_LINE_BREAKS,
+                                                     commonCodeStyleSettings.KEEP_BLANK_LINES_IN_CODE)
+                }
+                else {
+                    createSpacing(0)
+                }
+            }
         }
 
         simple {
@@ -277,7 +288,6 @@ fun createSpacingBuilder(settings: CodeStyleSettings, builderUtil: KotlinSpacing
             beforeInside(RPAR, VALUE_PARAMETER_LIST).spaces(0, kotlinCommonSettings.METHOD_PARAMETERS_RPAREN_ON_NEXT_LINE)
             afterInside(LT, TYPE_PARAMETER_LIST).spaces(0)
             beforeInside(GT, TYPE_PARAMETER_LIST).spaces(0)
-            afterInside(LPAR, VALUE_ARGUMENT_LIST).spaces(0, kotlinCommonSettings.CALL_PARAMETERS_LPAREN_ON_NEXT_LINE)
             beforeInside(RPAR, VALUE_ARGUMENT_LIST).spaces(0, kotlinCommonSettings.CALL_PARAMETERS_RPAREN_ON_NEXT_LINE)
             afterInside(LT, TYPE_ARGUMENT_LIST).spaces(0)
             beforeInside(GT, TYPE_ARGUMENT_LIST).spaces(0)

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

@@ -0,0 +1,11 @@
+// SET_INT: CALL_PARAMETERS_WRAP = 4
+// SET_TRUE: CALL_PARAMETERS_LPAREN_ON_NEXT_LINE
+
+fun foo() {
+    foo(bar, baz)
+
+    foo(object : Quux {
+        override fun foo() {
+        }
+    })
+}

idea/testData/formatter/parameterList/ArgumentListWrapLParen.kt

@@ -0,0 +1,11 @@
+// SET_INT: CALL_PARAMETERS_WRAP = 4
+// SET_TRUE: CALL_PARAMETERS_LPAREN_ON_NEXT_LINE
+
+fun foo() {
+    foo(bar, baz)
+
+    foo(object : Quux {
+        override fun foo() {
+        }
+    })
+}

idea/tests/org/jetbrains/kotlin/formatter/FormatterTestGenerated.java

@@ -1126,6 +1126,12 @@ public class FormatterTestGenerated extends AbstractFormatterTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("ArgumentListWrapLParen.after.kt")
+            public void testArgumentListWrapLParen() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("idea/testData/formatter/parameterList/ArgumentListWrapLParen.after.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("ParameterListChopAsNeeded.after.kt")
             public void testParameterListChopAsNeeded() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("idea/testData/formatter/parameterList/ParameterListChopAsNeeded.after.kt");