change error to pedenatic warn, regen DR html

Author: evelez7

clang/include/clang/Basic/DiagnosticParseKinds.td

@@ -887,9 +887,9 @@ def err_requires_expr_in_simple_requirement : Error<
   "requires expression in requirement body; did "
   "you intend to place it in a nested requirement? (add another 'requires' "
   "before the expression)">;
-def err_missing_template_arg_list_after_template_kw : Error<
+def warn_missing_template_arg_list_after_template_kw : Warning<
   "a template argument list is expected after a name prefixed by the template "
-  "keyword">;
+  "keyword">, InGroup<Pedantic>, DefaultError;
 
 def err_missing_dependent_template_keyword : Error<
   "use 'template' keyword to treat '%0' as a dependent template name">;

clang/lib/Parse/ParseExprCXX.cpp

@@ -3042,7 +3042,7 @@ bool Parser::ParseUnqualifiedId(CXXScopeSpec &SS, ParsedType ObjectType,
       if ((TNK == TNK_Function_template || TNK == TNK_Dependent_template_name ||
            TNK == TNK_Var_template) &&
           !Tok.is(tok::less))
-        Diag(IdLoc, diag::err_missing_template_arg_list_after_template_kw);
+        Diag(IdLoc, diag::warn_missing_template_arg_list_after_template_kw);
     }
     return false;
   }

clang/test/CXX/drs/cwg0xx.cpp

@@ -1404,7 +1404,11 @@ namespace cwg95 { // cwg95: 3.3
   //   expected-note@#cwg95-C-f {{implicitly declared private here}}
 }
 
+<<<<<<< HEAD:clang/test/CXX/drs/cwg0xx.cpp
 namespace cwg96 { // cwg96: no
+=======
+namespace dr96 { // dr96: sup P1787
+>>>>>>> c639768eef90 (change error to pedenatic warn, regen DR html):clang/test/CXX/drs/dr0xx.cpp
   struct A {
     void f(int);
     template<typename T> int f(T);
@@ -1418,7 +1422,8 @@ namespace cwg96 { // cwg96: no
     // FIXME: This is ill-formed, because 'f' is not a template-id and does not
     // name a class template.
     // FIXME: What about alias templates?
-    int k2 = a.template f(1); // expected-error {{a template argument list is expected after a name prefixed by the template keyword}}
+    int k2 = a.template f(1);
+    // expected-error@-1 {{a template argument list is expected after a name prefixed by the template keyword}}
     A::template S<int> s;
     B<A::template S> b;
   }

clang/test/Misc/warning-flags.c

@@ -89,4 +89,4 @@ CHECK-NEXT:   warn_weak_import
 
 The list of warnings in -Wpedantic should NEVER grow.
 
-CHECK: Number in -Wpedantic (not covered by other -W flags): 26
+CHECK: Number in -Wpedantic (not covered by other -W flags): 27

clang/www/cxx_dr_status.html

@@ -614,7 +614,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
     <td><a href="https://cplusplus.github.io/CWG/issues/96.html">96</a></td>
     <td>C++11</td>
     <td>Syntactic disambiguation using the <TT>template</TT> keyword</td>
-    <td class="none" align="center">No</td>
+    <td class="na" align="center">Superseded by <a href="https://wg21.link/P1787">P1787</a></td>
   </tr>
   <tr id="97">
     <td><a href="https://cplusplus.github.io/CWG/issues/97.html">97</a></td>