hg: jdk/jdk12: 8217043: Shenandoah: SIGSEGV in Type::meet_helper() at barrier expansion time

[rwestrel at redhat.com]

Changeset: dbbe6654948d
Author:    roland
Date:      2019-01-14 13:53 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk12/rev/dbbe6654948d

8217043: Shenandoah: SIGSEGV in Type::meet_helper() at barrier expansion time
Reviewed-by: shade, rkennke, thartmann

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp