Both ARM and ARM64 variants did not account for the
fact that TransitionNativeToGenerated will clobber
LR on slow path.
TEST=tests/ffi/regress_jump_to_frame_test.dart
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-release-arm-try,vm-ffi-android-release-arm64-try,vm-kernel-linux-release-simarm64-try,vm-kernel-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try
Change-Id: I40d48b720b2a7f31ff20903a887295ab2034662c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/173962
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>