Revert "[clang] Add tests for CWG issues 977, 1482, 2516"

This reverts commit 85452b5.

Author: Endilll

clang/test/CXX/drs/dr14xx.cpp

@@ -488,17 +488,6 @@ namespace dr1479 { // dr1479: yes
   int operator"" _a(const char*, std::size_t = 0); // expected-error {{literal operator cannot have a default argument}}
 }
 
-namespace dr1482 { // dr1482: yes
-                   // NB: sup 2516, test reused there
-#if __cplusplus >= 201103L
-template <typename T> struct S {
-  typedef char I;
-};
-enum E2 : S<E2>::I { e };
-// expected-error@-1 {{use of undeclared identifier 'E2'}}
-#endif
-} // namespace dr1482
-
 namespace dr1490 {  // dr1490: 3.7 c++11
   // List-initialization from a string literal
 

clang/test/CXX/drs/dr25xx.cpp

@@ -1,16 +1,5 @@
 // RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-unknown %s -verify
 
-namespace dr2516 { // dr2516: yes
-                   // NB: reusing 1482 test
-#if __cplusplus >= 201103L
-template <typename T> struct S {
-  typedef char I;
-};
-enum E2 : S<E2>::I { e };
-// expected-error@-1 {{use of undeclared identifier 'E2'}}
-#endif
-} // namespace dr2516
-
 namespace dr2518 { // dr2518: 17
 
 template <class T>

clang/test/CXX/drs/dr9xx.cpp

@@ -90,17 +90,6 @@ namespace dr974 { // dr974: yes
 #endif
 }
 
-namespace dr977 { // dr977: yes
-enum E { e = E() };
-// expected-error@-1 {{invalid use of incomplete type 'E'}}
-// expected-note@-2 {{definition of 'dr977::E' is not complete until the closing '}'}}
-#if __cplusplus >= 201103L
-enum E2 : int { e2 = E2() };
-enum struct E3 { e = static_cast<int>(E3()) };
-enum struct E4 : int { e = static_cast<int>(E4()) };
-#endif
-} // namespace dr977
-
 namespace dr990 { // dr990: 3.5
 #if __cplusplus >= 201103L
   struct A { // expected-note 2{{candidate}}

clang/www/cxx_dr_status.html

@@ -5669,7 +5669,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
     <td><a href="https://cplusplus.github.io/CWG/issues/977.html">977</a></td>
     <td>CD3</td>
     <td>When is an enumeration type complete?</td>
-    <td class="full" align="center">Yes</td>
+    <td class="none" align="center">Unknown</td>
   </tr>
   <tr id="978">
     <td><a href="https://cplusplus.github.io/CWG/issues/978.html">978</a></td>
@@ -8699,7 +8699,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
     <td><a href="https://cplusplus.github.io/CWG/issues/1482.html">1482</a></td>
     <td>CD3</td>
     <td>Point of declaration of enumeration</td>
-    <td class="full" align="center">Yes</td>
+    <td class="none" align="center">Unknown</td>
   </tr>
   <tr id="1483">
     <td><a href="https://cplusplus.github.io/CWG/issues/1483.html">1483</a></td>
@@ -14903,7 +14903,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
     <td><a href="https://cplusplus.github.io/CWG/issues/2516.html">2516</a></td>
     <td>DR</td>
     <td>Locus of <I>enum-specifier</I> or <I>opaque-enum-declaration</I></td>
-    <td class="full" align="center">Yes</td>
+    <td class="none" align="center">Unknown</td>
   </tr>
   <tr id="2517">
     <td><a href="https://cplusplus.github.io/CWG/issues/2517.html">2517</a></td>