diagnostics for deprecated syntax of function type parameter list

compiler/testData/codegen/box/casts/asForConstants.kt

@@ -26,7 +26,7 @@ fun box(): String {
     return "OK"
 }
 
-fun check<T>(param: T, f: (T) -> Unit): String {
+fun <T> check(param: T, f: (T) -> Unit): String {
     try {
         f(param)
     }

compiler/testData/codegen/box/casts/castGenericNull.kt

@@ -1,4 +1,4 @@
-fun castToString<T>(t: T) {
+fun <T> castToString(t: T) {
     t as String
 }