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Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8243354	11.0.8-oracle	Roland Westrelin	P3	Resolved	Fixed	b04
JDK-8230196	11.0.5	Roland Westrelin	P3	Resolved	Fixed	b05
JDK-8260827	openjdk8u292	Andrew Hughes	P3	Resolved	Fixed	b01

MemBarNode::leading_membar() doesn't handle dying subgraph correctly when it encounters a Region with a top input.

backported by

JDK-8230196 "bad trailing membar" assert failure at memnode.cpp:3220

JDK-8243354 "bad trailing membar" assert failure at memnode.cpp:3220

JDK-8260827 "bad trailing membar" assert failure at memnode.cpp:3220

relates to

JDK-8211233 MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better

JDK-8209420 Track membars for volatile accesses so they can be properly optimized

JDK-8257192 Integrate AArch64 JIT port into 8u

(1 relates to)