If I want to disable certain attributes, such as "swiftcall", is there any way to do it now?

[Aaron Ballman via cfe-commits]

On Fri, Apr 27, 2018 at 11:23 PM, 朴素 via cfe-commits
<cfe-commits at lists.llvm.org> wrote:
>    As the title says,thanks.

You could build a custom clang with specific attributes removed, but
there are no compiler flags that allow you to disable arbitrary
attributes like swiftcall.

~Aaron