CMake is funky on detecting Intel 17 as GCC compatible.

Summary: This adds a fallback in case that the Intel compiler is failed to be detected correctly.

Reviewers: chapuni

Reviewed By: chapuni

Subscribers: llvm-commits, mgorny

Differential Revision: https://reviews.llvm.org/D27610

llvm-svn: 293230
GitOrigin-RevId: e1864d0687ef2253f798976f1207edb413ff242a
1 file changed