[Bug c++/63820] [5.0 regression] c++ ICE since libcpp change r217202

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63820
Bug 63820 depends on bug 61997, which changed state.

Bug 61997 Summary: cc1plus ICE with aarch64 target using PCH and builtin functions
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61997

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED