[Bug target/115969] [15 regression] ICE when building clang-16.0.6 on arm64 (output_operand: invalid expression as operand)

[sjames at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115969

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
Slightly too big to attach:
https://dev.gentoo.org/~sam/bugs/gcc/llvm-PR115969/SemaExpr.cpp.ii.xz.