[Bug target/64379] VFP register restore in ARM epilogue can break indirect tailcalls

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64379

--- Comment #5 from Mikael Pettersson <mikpelinux at gmail dot com> ---
I can reproduce the wrong-code with gcc-4.9.2 on armv7l-linux-gnueabi.  Appears
to need both -foptimize-sibling-calls and -mapcs-frame to trigger.