[8u20] RFR(S): 8031475: Missing oopmap in patching stubs

[Nils Eliasson]

Please review this backport of JDK-8031745 from 9 to 8u20.

Applies cleanly to http://hg.openjdk.java.net/jdk8u/hs-dev/

Bug:         https://bugs.openjdk.java.net/browse/JDK-8042059
jkd9:        http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/6448
webrev 8u20: http://cr.openjdk.java.net/~neliasso/8031475_8u20/webrev.01/
         
Kind Regards,
Nils Eliasson