am 1f1e7b70: am 2aceb4bc: am e2a17ef4: am 77ac158e: Merge "Don\'t copy strerror(3) or strsignal(3) strings if we can share."

* commit '1f1e7b70b7e37039ce53aed8b1b651c8692347e7':
  Don't copy strerror(3) or strsignal(3) strings if we can share.