[IRInterpreter] Fall back to JIT with 128-bit values.

They're not that common, and falling back is definitely
better than throwing an error instead of the result. If we
feel motivated, we might end up implementing support for these,
but it's unclear whether it's worth the effort/complexity.

Fixes PR38925.

<rdar://problem/44436068>

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@342262 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed