IR: IrConstructor.isPrimary

NB this is required for Kotlin/JS.

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrConstructor.kt

@@ -25,5 +25,7 @@ interface IrConstructor : IrFunction, IrSymbolDeclaration<IrConstructorSymbol> {
         get() = IrDeclarationKind.CONSTRUCTOR
 
     override val descriptor: ClassConstructorDescriptor
+
+    val isPrimary: Boolean
 }
 

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrConstructorImpl.kt

@@ -35,7 +35,8 @@ class IrConstructorImpl(
     visibility: Visibility,
     returnType: KotlinType,
     isInline: Boolean,
-    isExternal: Boolean
+    isExternal: Boolean,
+    override val isPrimary: Boolean
 ) :
     IrFunctionBase(startOffset, endOffset, origin, visibility, isInline, isExternal, returnType),
     IrConstructor {
@@ -51,7 +52,8 @@ class IrConstructorImpl(
         symbol.descriptor.visibility,
         symbol.descriptor.returnType,
         symbol.descriptor.isInline,
-        symbol.descriptor.isEffectivelyExternal()
+        symbol.descriptor.isEffectivelyExternal(),
+        symbol.descriptor.isPrimary
     ) {
         this.body = body
     }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/RenderIrElement.kt

@@ -94,7 +94,8 @@ class RenderIrElementVisitor : IrElementVisitor<String, Nothing?> {
     private fun IrConstructor.renderConstructorFlags() =
         renderFlagsList(
             "inline".takeIf { isInline },
-            "external".takeIf { isExternal }
+            "external".takeIf { isExternal },
+            "primary".takeIf { isPrimary }
         )
 
     override fun visitProperty(declaration: IrProperty, data: Nothing?): String =