[Bug target/66960] Add interrupt attribute to x86 backend

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66960

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |7.0

--- Comment #21 from H.J. Lu <hjl.tools at gmail dot com> ---
Implemenmted for GCC 7.