https://bugs.llvm.org/show_bug.cgi?id=50039
Bug ID: 50039
Summary: Failure to deduce templated CNTTP
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: C++2a
Assignee: unassignedclangb...@nondot.org
Reporter: omer.ros...@gmail.com
CC: blitzrak...@gmail.com, erik.pilking...@gmail.com,
llvm-bugs@lists.llvm.org, richard-l...@metafoo.co.uk
The following is not accepted by clang:
```c++
template <auto> struct A { };
template <class> struct B { };
template<template <class> class Tmpl, Tmpl V> //error
void f (A<V>);
template<template <class> class Tmpl, class T, Tmpl<T> V> //this one works
void g (A<V>);
int main() {
A<B<int>{}> x;
f(x);
}
```
b.t.w gcc ICEs here (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99387)
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