Add IDNS_Tag to C++ declarations that conflict with tag declarations.

Fixes some accepts-invalids with tags and other declarations declared in the
same scope.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@312743 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 0 deletions

diff --git a/test/CXX/basic/basic.scope/basic.scope.declarative/p4.cpp b/test/CXX/basic/basic.scope/basic.scope.declarative/p4.cpp
new file mode 100644
index 0000000000..8c14546edc
--- /dev/null
+++ b/test/CXX/basic/basic.scope/basic.scope.declarative/p4.cpp
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -std=c++2a -verify %s
+
+namespace TagVs {
+  struct Bindable { int a; };
+  struct binding_a {}; // expected-note {{previous}}
+  auto [binding_a] = Bindable{}; // expected-error {{redefinition}}
+  auto [binding_b] = Bindable{}; // expected-note {{previous}}
+  struct binding_b {}; // expected-error {{redefinition}}
+
+  struct vartemplate_a {}; // expected-note {{previous}}
+  template<typename T> int vartemplate_a; // expected-error {{redefinition}}
+  template<typename T> int vartemplate_b; // expected-note {{previous}}
+  struct vartemplate_b {}; // expected-error {{redefinition}}
+
+  struct aliastemplate_a {}; // expected-note {{previous}}
+  template<typename T> using aliastemplate_a = int; // expected-error {{redefinition}}
+  template<typename T> using aliastemplate_b = int; // expected-note {{previous}}
+  struct aliastemplate_b {}; // expected-error {{redefinition}}
+}