[Bug target/113312] Update __attribute__((interrupt)) for Intel FRED

[hpa at zytor dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113312

--- Comment #10 from H. Peter Anvin <hpa at zytor dot com> ---
Right, is there such an attribute (that's what I'm asking for in bug 103503)?

All I see in the gcc documentation is no_calle*R*_saved_registers, which,
again, is the exact opposite.