[dylnuge]

Indeed, it looks like they even tried to fix it in LLVM (back in 2017) but wound up reverting it: https://reviews.llvm.org/D28990

[fanf2]

That’s one of the links in the original article, which postdates the workaround in clang. It doesn’t explain why the incorrect ABI was previously worked around in clang instead of fixed in LLVM.