[llvm-branch-commits] LowerTypeTests: Set small code model on imported globals. (PR #141324)

[Peter Collingbourne via llvm-branch-commits]

https://github.com/pcc created https://github.com/llvm/llvm-project/pull/141324

This is either a vtable (in .data.rel.ro) or a jump table (in .text).
Either way it's expected to be in the low 2 GiB, so set the small
code model.