Make inline class wrapper constructor synthetic

compiler/testData/codegen/bytecodeListing/inlineClasses/companionObjectInsideInlineClass.txt

@@ -24,7 +24,7 @@ public final class Foo {
     private final field x: int
     inner class Foo$Companion
     static method <clinit>(): void
-    public method <init>(p0: int): void
+    public synthetic method <init>(p0: int): void
     public method equals(p0: java.lang.Object): boolean
     public final method getX(): int
     public method hashCode(): int

compiler/testData/codegen/bytecodeListing/inlineClasses/computablePropertiesInsideInlineClass.txt

@@ -13,7 +13,7 @@ static class Foo$Erased {
 @kotlin.Metadata
 public final class Foo {
     private final field x: int
-    public method <init>(p0: int): void
+    public synthetic method <init>(p0: int): void
     public method equals(p0: java.lang.Object): boolean
     public final method getX(): int
     public method hashCode(): int

compiler/testData/codegen/bytecodeListing/inlineClasses/inlineClassConstructors.txt

@@ -12,7 +12,7 @@ static class Foo$Erased {
 @kotlin.Metadata
 public final class Foo {
     private final field x: int
-    public method <init>(p0: int): void
+    public synthetic method <init>(p0: int): void
     public method equals(p0: java.lang.Object): boolean
     public final method getX(): int
     public method hashCode(): int

compiler/testData/codegen/bytecodeListing/inlineClasses/noBridgesForErasedInlineClass.txt

@@ -17,7 +17,7 @@ static class Foo$Erased {
 @kotlin.Metadata
 public final class Foo {
     private final field x: long
-    public method <init>(p0: long): void
+    public synthetic method <init>(p0: long): void
     public method equals(p0: java.lang.Object): boolean
     public synthetic method foo(p0: java.lang.Object): void
     public method foo-1e4ch6lh(p0: long): void

compiler/testData/codegen/bytecodeListing/inlineClasses/shapeOfInlineClassWithPrimitive.txt

@@ -14,7 +14,7 @@ static class Foo$Erased {
 @kotlin.Metadata
 public final class Foo {
     private final field l: long
-    public method <init>(p0: long): void
+    public synthetic method <init>(p0: long): void
     public method equals(p0: java.lang.Object): boolean
     public final method getL(): long
     public method hashCode(): int