[llvm] [Cygwin] Cygwin X86ISelDAGToDAG.cpp (PR #76284)

[Arthur Eubanks via llvm-commits]

aeubanks wrote:

is the configure check is using the medium code model on cygwin? how large is the linked binary in the failing configure check? is it running into relocation overflows?

https://github.com/llvm/llvm-project/pull/76284