PR15633: Note that we are EnteringContext when parsing the nested name

specifier for an enumeration. Also fix a crash-on-invalid if a non-dependent
name specifier is used to declare an enum template.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178502 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 795d97d3ea..5f7399a3d4 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -9387,6 +9387,11 @@ Decl *Sema::ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
                                                     TUK == TUK_Friend,
                                                     isExplicitSpecialization,
                                                     Invalid)) {
+      if (Kind == TTK_Enum) {
+        Diag(KWLoc, diag::err_enum_template);
+        return 0;
+      }
+
       if (TemplateParams->size() > 0) {
         // This is a declaration or definition of a class template (which may
         // be a member of another template).