[libcxxabi][ARM] Make CXX_end_cleanup compatible with Armv6-M

On Armv6-M the branch may not able to reach the _Unwind_Resume function because it's relocation(R_ARM_THM_JUMP11) is in -2048, 2047 range only.

Reviewed By: chill, stuij, lenary

Differential Revision: https://reviews.llvm.org/D113181

GitOrigin-RevId: 3255578ee1dbb5561025ac89cd33ba08e8f26efb
1 file changed