[Bug ipa/119376] [15 Regression] musttail does not get dropped after inlining?

[andi-gcc at firstfloor dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119376

--- Comment #6 from Andi Kleen <andi-gcc at firstfloor dot org> ---
For the gcc 15 release we could just drop the clang:: support, so it becomes
opt-in? (have to use gnu::musttail)