[K/JS] Use only single variant of default arguments function wrapper for exported and not-exported functions

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/builders/ExpressionHelpers.kt

@@ -149,8 +149,8 @@ fun IrBuilderWithScope.irSet(variable: IrValueSymbol, value: IrExpression, origi
 fun IrBuilderWithScope.irSet(variable: IrValueDeclaration, value: IrExpression, origin: IrStatementOrigin = IrStatementOrigin.EQ) =
     irSet(variable.symbol, value, origin)
 
-fun IrBuilderWithScope.irGetField(receiver: IrExpression?, field: IrField) =
-    IrGetFieldImpl(startOffset, endOffset, field.symbol, field.type, receiver)
+fun IrBuilderWithScope.irGetField(receiver: IrExpression?, field: IrField, type: IrType = field.type) =
+    IrGetFieldImpl(startOffset, endOffset, field.symbol, type, receiver)
 
 fun IrBuilderWithScope.irSetField(receiver: IrExpression?, field: IrField, value: IrExpression, origin: IrStatementOrigin? = null) =
     IrSetFieldImpl(startOffset, endOffset, field.symbol, receiver, value, context.irBuiltIns.unitType, origin = origin)
@@ -161,6 +161,17 @@ fun IrBuilderWithScope.irGetObjectValue(type: IrType, classSymbol: IrClassSymbol
 fun IrBuilderWithScope.irEqeqeq(arg1: IrExpression, arg2: IrExpression) =
     context.eqeqeq(startOffset, endOffset, arg1, arg2)
 
+fun IrBuilderWithScope.irEqeqeqWithoutBox(arg1: IrExpression, arg2: IrExpression) =
+    primitiveOp2(
+        startOffset,
+        endOffset,
+        context.irBuiltIns.eqeqeqSymbol,
+        context.irBuiltIns.booleanType,
+        IrStatementOrigin.SYNTHETIC_NOT_AUTOBOXED_CHECK,
+        arg1,
+        arg2
+    )
+
 fun IrBuilderWithScope.irNull() =
     irNull(context.irBuiltIns.nothingNType)
 

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/builders/IrBuilder.kt

@@ -54,6 +54,10 @@ abstract class IrStatementsBuilder<out T : IrElement>(
         addStatement(this)
     }
 
+    operator fun List<IrStatement>.unaryPlus() {
+        forEach(::addStatement)
+    }
+
     protected abstract fun addStatement(irStatement: IrStatement)
     abstract fun doBuild(): T
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/expressions/IrStatementOrigin.kt

@@ -5,6 +5,8 @@
 
 package org.jetbrains.kotlin.ir.expressions
 
+import org.jetbrains.kotlin.ir.declarations.IrDeclarationOriginImpl
+
 abstract class IrStatementOriginImpl(val debugName: String) : IrStatementOrigin {
     override fun toString(): String = debugName
 }
@@ -90,6 +92,8 @@ interface IrStatementOrigin {
 
     object BRIDGE_DELEGATION : IrStatementOriginImpl("BRIDGE_DELEGATION")
 
+    object SYNTHETIC_NOT_AUTOBOXED_CHECK : IrStatementOriginImpl("SYNTHETIC_NOT_AUTOBOXED_CHECK")
+
     data class COMPONENT_N private constructor(val index: Int) : IrStatementOriginImpl("COMPONENT_$index") {
         companion object {
             private val precreatedComponents = Array(32) { i -> COMPONENT_N(i + 1) }