Resolve parenthesized element as expression

compiler/testData/codegen/box/labels/labeledDeclarations2.kt

@@ -1,16 +0,0 @@
-data class A(val a: Int, val b: Int)
-
-fun box() : String
-{
-    (@a val x = 1)
-    (@b fun a() = 2)
-    (@c val (z, z2) = A(1, 2))
-
-    if (x != 1) return "fail 1"
-
-    if (a() != 2) return "fail 2"
-
-    if (z != 1 || z2 != 2) return "fail 3"
-
-    return "OK"
-}

compiler/testData/codegen/box/objects/kt560.kt

@@ -15,7 +15,7 @@ open class AllEvenNum() {
                         }
 
                     }
-                (i = i + 1)
+                i = i + 1
             }
         }
 

compiler/testData/diagnostics/tests/BreakContinue.kt

@@ -1,23 +1,23 @@
 class C {
 
     fun f (<!UNUSED_PARAMETER!>a<!> : Boolean, <!UNUSED_PARAMETER!>b<!> : Boolean) {
-        @b (while (true)
+        @b while (true)
           @a {
             <!NOT_A_LOOP_LABEL!>break@f<!>
             break
             <!UNREACHABLE_CODE!>break@b<!>
             <!NOT_A_LOOP_LABEL!>break@a<!>
-          })
+          }
 
         <!BREAK_OR_CONTINUE_OUTSIDE_A_LOOP!>continue<!>
 
-        @b (while (true)
+        @b while (true)
           @a {
             <!NOT_A_LOOP_LABEL!>continue@f<!>
             continue
             <!UNREACHABLE_CODE!>continue@b<!>
             <!NOT_A_LOOP_LABEL!>continue@a<!>
-          })
+          }
 
         <!BREAK_OR_CONTINUE_OUTSIDE_A_LOOP!>break<!>
 

compiler/testData/diagnostics/tests/deparenthesize/ParenthesizedVariable.kt

@@ -0,0 +1,3 @@
+fun test() {
+    (@d <!DECLARATION_IN_ILLEGAL_CONTEXT!>val bar = 2<!>)
+}

compiler/testData/diagnostics/tests/deparenthesize/ParenthesizedVariable.txt

@@ -0,0 +1,3 @@
+package
+
+internal fun test(): kotlin.Unit