[compiler-rt] Fix build break after r313277 on s390x
[compiler-rt] Fix build break after r313277 on s390x

Commit r313277 moved IsStackOverflow to inside the SignalContext
class, but didn't update a code block in #ifdef s390x accordingly.



git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@313480 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt