Remove some incorrect assertions when deduction template arguments in
a template-argument-list. When template template parameters are
involved, we won't already have checked the template-argument-list (it
may not be known yet!). Fixes PR7807.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110444 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaTemplate/temp_arg_template.cpp b/test/SemaTemplate/temp_arg_template.cpp
index 6671225..944acac 100644
--- a/test/SemaTemplate/temp_arg_template.cpp
+++ b/test/SemaTemplate/temp_arg_template.cpp
@@ -33,3 +33,21 @@
// FIXME: The code below is ill-formed, because of the evil digraph '<:'.
// We should provide a much better error message than we currently do.
// A<::N::Z> *a10;
+
+// PR7807
+namespace N {
+ template <typename, typename = int>
+ struct X
+ { };
+
+ template <typename ,int>
+ struct Y
+ { X<int> const_ref(); };
+
+ template <template<typename,int> class TT, typename T, int N>
+ int operator<<(int, TT<T, N> a) { // expected-note{{candidate template ignored}}
+ 0 << a.const_ref(); // expected-error{{invalid operands to binary expression ('int' and 'X<int>')}}
+ }
+
+ void f0( Y<int,1> y){ 1 << y; } // expected-note{{in instantiation of function template specialization 'N::operator<<<Y, int, 1>' requested here}}
+}