clang marks as error redundant template keyword, when no arguments

[kelbon]

clang 19 changes behavior for this code from "all good' to 'ill-formed', is this intentional?

template<typename X>
void foo() {
    X::template bar(5);
}

https://godbolt.org/z/sr9Yv3e36

[llvmbot]

@llvm/issue-subscribers-clang-frontend

Author: None (kelbon)

clang 19 changes behavior for this code from "all good' to 'ill-formed', is this intentional?

template<typename X>
void foo() {
    X::template bar(5);
}

https://godbolt.org/z/sr9Yv3e36

[shafik]

This was implemented via: #80801

It looks like only half the implementations have implemented this: https://godbolt.org/z/9vbMbx4bW