[Bug target/68191] New: s390x Linux Split Stacks support

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68191

            Bug ID: 68191
           Summary: s390x Linux Split Stacks support
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dje at gcc dot gnu.org
  Target Milestone: ---

Enable and implement split-stack support for s390x Linux such that GCC
Testsuite passes with -fsplit-stack option enabled.