FIR: add 'isInner' parameter to constructors

This is helpful because inner class constructors are resolved in a bit
different way (like non-static vs static)

compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/FirConstructor.kt

@@ -17,6 +17,8 @@ interface FirConstructor : @VisitedSupertype FirMemberFunction<FirConstructor> {
 
     override val isOverride: Boolean get() = status.isOverride
 
+    val isInner: Boolean
+
     val delegatedConstructor: FirDelegatedConstructorCall?
 
     override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R =

compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/impl/FirConstructorImpl.kt

@@ -30,6 +30,12 @@ open class FirConstructorImpl : FirAbstractCallableMember<FirConstructor>, FirCo
 
     final override var delegatedConstructor: FirDelegatedConstructorCall? = null
 
+    final override var isInner: Boolean
+        get() = status.isInner
+        set(isInner) {
+            status.isInner = isInner
+        }
+
     constructor(
         session: FirSession,
         psi: PsiElement?,
@@ -37,6 +43,7 @@ open class FirConstructorImpl : FirAbstractCallableMember<FirConstructor>, FirCo
         visibility: Visibility,
         isExpect: Boolean,
         isActual: Boolean,
+        isInner: Boolean,
         delegatedSelfTypeRef: FirTypeRef,
         delegatedConstructor: FirDelegatedConstructorCall?
     ) : super(
@@ -44,6 +51,7 @@ open class FirConstructorImpl : FirAbstractCallableMember<FirConstructor>, FirCo
         isExpect, isActual, isOverride = false, receiverTypeRef = null, returnTypeRef = delegatedSelfTypeRef
     ) {
         this.symbol = symbol
+        this.isInner = isInner
         this.delegatedConstructor = delegatedConstructor
         symbol.bind(this)
     }

compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/impl/FirPrimaryConstructorImpl.kt

@@ -19,9 +19,10 @@ class FirPrimaryConstructorImpl(
     visibility: Visibility,
     isExpect: Boolean,
     isActual: Boolean,
+    isInner: Boolean,
     delegatedSelfTypeRef: FirTypeRef,
     delegatedConstructor: FirDelegatedConstructorCall?
-) : FirConstructorImpl(session, psi, symbol, visibility, isExpect, isActual, delegatedSelfTypeRef, delegatedConstructor) {
+) : FirConstructorImpl(session, psi, symbol, visibility, isExpect, isActual, isInner, delegatedSelfTypeRef, delegatedConstructor) {
     override val isPrimary: Boolean
         get() = true
 }