r9 is volatile on ARMv7 for iOS 3 and up.
https://bugs.webkit.org/show_bug.cgi?id=141489
rdar://problem/19432916

Reviewed by Michael Saboff.

* jit/RegisterSet.cpp:
(JSC::RegisterSet::calleeSaveRegisters): removed r9 from the list of ARMv7 callee save registers.
* tests/stress/regress-141489.js: Added.
(foo):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@180516 268f45cc-cd09-0410-ab3c-d52691b4dbfc
3 files changed