hg: panama/dev: 8227424: C2 assertion failures with debug build

[ningsheng.jian at arm.com]

Changeset: a362bfef4cc9
Author:    ngasson
Date:      2019-07-09 16:42 +0800
URL:       http://hg.openjdk.java.net/panama/dev/rev/a362bfef4cc9

8227424: C2 assertion failures with debug build
Reviewed-by: mcimadamore

! src/hotspot/share/opto/library_call.cpp
! src/java.base/share/classes/java/lang/invoke/AddressVarHandleGenerator.java