From 9365d1d8593156a1236ab27297e10bcc822defdf Mon Sep 17 00:00:00 2001
From: Mikhael Bogdanov <mikhael.bogdanov@jetbrains.com>
Date: Thu, 30 Nov 2017 15:26:33 +0100
Subject: [PATCH] Remove redundant extra default mask for function with N*32
 parameters

---
 .../backend/common/lower/DefaultArgumentStubGenerator.kt      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/DefaultArgumentStubGenerator.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/DefaultArgumentStubGenerator.kt
index d4b6fa1ea28..87d7f02b727 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/DefaultArgumentStubGenerator.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/DefaultArgumentStubGenerator.kt
@@ -293,7 +293,7 @@ class DefaultParameterInjector constructor(val context: CommonBackendContext): B
                 val realDescriptor = realFunction.descriptor
 
                 log { "$descriptor -> $realDescriptor" }
-                val maskValues = Array(descriptor.valueParameters.size / 32 + 1, {0})
+                val maskValues = Array((descriptor.valueParameters.size + 31) / 32, {0})
                 val params = mutableListOf<Pair<ValueParameterDescriptor, IrExpression?>>()
                 params.addAll(descriptor.valueParameters.mapIndexed { i, _ ->
                     val valueArgument = expression.getValueArgument(i)
@@ -362,7 +362,7 @@ private fun FunctionDescriptor.generateDefaultsFunction(context: CommonBackendCo
             }
         }
 
-        val syntheticParameters = MutableList(valueParameters.size / 32 + 1) { i ->
+        val syntheticParameters = MutableList((valueParameters.size + 31) / 32) { i ->
             valueParameter(descriptor, valueParameters.size + i, parameterMaskName(i), descriptor.builtIns.intType)
         }
         if (this is ClassConstructorDescriptor) {