[Bug target/66457] gcc generates an extra "mov ??, %edx" before "call mcount" when "-pg" is enabled in cross compilation

[leedypku at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66457

--- Comment #2 from Dangyi Liu <leedypku at gmail dot com> ---
(In reply to Andrew Pinski from comment #1)
> Which compiler are you using to compile the cross compiler on Darwin?  I
> can't tell if you have tried a cross compiler to elf under linux either,
> only the native one.

I compiled the cross compiler using clang. Now I'm trying to reproduce this bug
under Linux.