Eliminate two "unsupported" errors relating to variadic templates: one

for template template argument pack expansions (which was no longer
used) and another that was a placeholder for an llvm_unreachable.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122898 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index f6354bf46daf82a7b5bd427e2d778a54041704fc..a4fa2a6de81e23373cf7c783be8e7691f8491ed5 100644 (file)
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -1875,10 +1875,6 @@ def err_sizeof_pack_no_pack_name : Error<
   "%0 does not refer to the name of a parameter pack">;
 
 // Unsupported variadic templates features
-def err_pack_expansion_unsupported : Error<
-  "clang does not yet support template pack expansions">;
-def err_pack_expansion_instantiation_unsupported : Error<
-  "clang cannot yet instantiate pack expansions">;
 def err_pack_expansion_mismatch_unsupported : Error<
   "clang cannot yet instantiate pack expansions with mismatched pack levels">;
 def err_function_parameter_pack_unsupported : Error<

diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h
index d15f91a745e6e62d9e4a01c222907649612d6c21..5eb0d55a39d5ff373ebf5800d8d81ce61b659c9d 100644 (file)
--- a/lib/Sema/TreeTransform.h
+++ b/lib/Sema/TreeTransform.h
@@ -3988,9 +3988,7 @@ QualType TreeTransform<Derived>::
 template<typename Derived>
 QualType TreeTransform<Derived>::TransformPackExpansionType(TypeLocBuilder &TLB,
                                                       PackExpansionTypeLoc TL) {
-  // FIXME: Implement!
-  getSema().Diag(TL.getEllipsisLoc(), 
-                 diag::err_pack_expansion_instantiation_unsupported);
+  llvm_unreachable("Caller must expansion pack expansion types");
   return QualType();
 }