RFR (S) 8239492: [x86] Turn MacroAssembler::verify_oop into macro recording file and line

[Vladimir Ivanov]

>    https://cr.openjdk.java.net/~shade/8239492/webrev.03/

Looks good.

Best regards,
Vladimir Ivanov

PS: I don't have a strong opinion about #undefing vs renaming.
Probably, slight preference in favor of renaming: I like how it stresses 
that it's a GC-specific verification. But I'll let ZGC folks to choose 
what they like more :-)