ios - Mach-O Linker warning: too many personality routines for compact unwind to encode -

i finished upgrading project use swift 1.2. i've got new linker warning i've never seen before. ld: warning: many personality routines compact unwind encode.

it doesn't give offending file or additional details. know how suppress warning, i'd know how fix it. thoughts?

this different other questions answered because explain how hide warning, none of them explain how fix problem.