temporary disable wrong warning

Author: kikairoya

clang/lib/Sema/SemaTemplate.cpp

@@ -9141,10 +9141,10 @@ Sema::CheckSpecializationInstantiationRedecl(SourceLocation NewLoc,
       //       in a program,
 
       // MSVCCompat: MSVC silently ignores duplicate explicit instantiations.
-      Diag(NewLoc, (getLangOpts().MSVCCompat)
-                       ? diag::ext_explicit_instantiation_duplicate
-                       : diag::err_explicit_instantiation_duplicate)
-          << PrevDecl;
+      // Diag(NewLoc, (getLangOpts().MSVCCompat)
+      //                 ? diag::ext_explicit_instantiation_duplicate
+      //                 : diag::err_explicit_instantiation_duplicate)
+      //    << PrevDecl;
       Diag(DiagLocForExplicitInstantiation(PrevDecl, PrevPointOfInstantiation),
            diag::note_previous_explicit_instantiation);
       HasNoEffect = true;