Generate descriptor for trait constructor. Exception is thrown otherwise...

EA-38416, EA-65189, EA-60850

compiler/testData/diagnostics/tests/TraitWithConstructor.kt

@@ -0,0 +1,13 @@
+class C(val a: String) {}
+
+trait T1<!CONSTRUCTOR_IN_TRAIT!>(val x: String)<!> {}
+
+trait T2<!CONSTRUCTOR_IN_TRAIT!>()<!> {}
+
+trait T3<!CONSTRUCTOR_IN_TRAIT!>(<!UNUSED_PARAMETER!>a<!>: Int)<!> {}
+
+trait T4 {
+    <!CONSTRUCTOR_IN_TRAIT!>constructor(a: <!DEBUG_INFO_MISSING_UNRESOLVED!>Int<!>) {
+        val b: <!DEBUG_INFO_MISSING_UNRESOLVED!>Int<!> = 1
+    }<!>
+}