Fix assert when template argument deduction's original call arg checking triggers class template instantiation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325646 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/test/SemaTemplate/temp_arg_pack.cpp b/test/SemaTemplate/temp_arg_pack.cpp
new file mode 100644
index 0000000000..b79dca78bc
--- /dev/null
+++ b/test/SemaTemplate/temp_arg_pack.cpp
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -verify %s
+
+namespace deduce_pack_non_pack {
+  template <typename...> class A;
+  template <typename> struct C {};
+  template <typename T> void g(C<A<T>>); // expected-note {{candidate template ignored: deduced type 'C<A<[...], (no argument)>>' of 1st parameter does not match adjusted type 'C<A<[...], int>>' of argument [with T = bool]}}
+  void h(C<A<bool, int>> &x) { g(x); } // expected-error {{no matching function}}
+}