hg: jdk/jdk12: 8217359: C2 compiler triggers SIGSEGV after transformation in ConvI2LNode::Ideal

[felix.yang at huawei.com]

Changeset: 44f41693631f
Author:    fyang
Date:      2019-01-21 13:31 +0800
URL:       http://hg.openjdk.java.net/jdk/jdk12/rev/44f41693631f

8217359: C2 compiler triggers SIGSEGV after transformation in ConvI2LNode::Ideal
Reviewed-by: thartmann
Contributed-by: jitao8 at huawei.com

! src/hotspot/share/opto/convertnode.cpp
+ test/hotspot/jtreg/compiler/c2/Test8217359.java