FIR: check multiple vararg param and forbidden vararg type

compiler/testData/diagnostics/tests/declarationChecks/mulitpleVarargParameters.fir.kt

@@ -1,35 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER -PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED
-fun test(vararg x1: Int, vararg x2: Int) {
-    fun test2(vararg x1: Int, vararg x2: Int) {
-        class LocalClass(vararg x1: Int, vararg x2: Int) {
-        constructor(vararg x1: Int, vararg x2: Int, xx: Int) {}
-    }
-        fun test3(vararg x1: Int, vararg x2: Int) {}
-    }
-}
-
-fun Any.test(vararg x1: Int, vararg x2: Int, vararg x3: Int) {}
-
-interface I {
-    fun test(vararg x1: Int, vararg x2: Int)
-}
-
-abstract class C(vararg x1: Int, vararg x2: Int, b: Boolean) {
-    fun test(vararg x1: Int, vararg x2: Int) {}
-
-    abstract fun test2(vararg x1: Int, vararg x2: Int)
-
-    class CC(vararg x1: Int, vararg x2: Int, b: Boolean) {
-        constructor(vararg x1: Int, vararg x2: Int) {}
-        fun test(vararg x1: Int, vararg x2: Int) {}
-    }
-}
-
-object O {
-    fun test(vararg x1: Int, vararg x2: Int) {}
-
-    class CC(vararg x1: Int, vararg x2: Int, b: Boolean) {
-        constructor(vararg x1: Int, vararg x2: Int) {}
-        fun test(vararg x1: Int, vararg x2: Int) {}
-    }
-}

compiler/testData/diagnostics/tests/declarationChecks/mulitpleVarargParameters.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER -PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED
 fun test(<!MULTIPLE_VARARG_PARAMETERS!>vararg<!> x1: Int, <!MULTIPLE_VARARG_PARAMETERS!>vararg<!> x2: Int) {
     fun test2(<!MULTIPLE_VARARG_PARAMETERS!>vararg<!> x1: Int, <!MULTIPLE_VARARG_PARAMETERS!>vararg<!> x2: Int) {

compiler/testData/diagnostics/tests/declarationChecks/valVarFunctionParameter.fir.kt

@@ -2,11 +2,11 @@ fun f(
         val a: Int,
         var b: Int,
         c: Int,
-        vararg var d: Int,
-        vararg val e: Int,
-        vararg f: Int
+        <!MULTIPLE_VARARG_PARAMETERS!>vararg<!> var d: Int,
+        <!MULTIPLE_VARARG_PARAMETERS!>vararg<!> val e: Int,
+        <!MULTIPLE_VARARG_PARAMETERS!>vararg<!> f: Int
 ) {
     
     
     a + b + c + d[0] + e[0] + f[0] // to avoid 'unused parameter'
-}
+}