[8u20] RFR(S): 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90

[Roland Westrelin]

Please, review backport to 8u20. The patch applies cleanly except. It’s been in jdk9 for more than 1 week and fixes an important issue with 8031752 that is also backported. 

http://cr.openjdk.java.net/~roland/8035841/webrev.02/
https://bugs.openjdk.java.net/browse/JDK-8035841
http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/53ed0f89f44e

Roland.