check modifiers for local declarations

compiler/testData/codegen/script/fib.lang.kt

@@ -5,4 +5,4 @@ fun fib(n: Int): Int {
     return v
 }
 
-public val result = fib(num)
+val result = fib(num)

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

@@ -0,0 +1,12 @@
+package d
+
+class T {
+    fun baz() = 1
+}
+
+fun foo() {
+    <!ILLEGAL_MODIFIER!>public<!> val <!UNUSED_VARIABLE!>i<!> = 11
+    <!ILLEGAL_MODIFIER!>abstract<!> val <!VARIABLE_WITH_NO_TYPE_NO_INITIALIZER, UNUSED_VARIABLE!>j<!>
+    <!ILLEGAL_MODIFIER!>override<!> fun T.baz() = 2
+    <!ILLEGAL_MODIFIER!>private<!> fun bar() = 2
+}

compiler/testData/readJavaBinaryClass/MethodTypePTwoUpperBounds.kt

@@ -2,6 +2,5 @@ package test
 
 public open class MethodTypePTwoUpperBounds() : java.lang.Object() {
     public open fun <T> foo(): Unit where T : Cloneable?, T : Runnable? {
-        override fun run() = throw UnsupportedOperationException()
     }
 }