tschatzl [Thu, 11 Jan 2018 11:28:51 +0100] rev 48633
8129440: G1 crash during concurrent root region scan
Summary: Make concurrent memory accesses to oops on the heap volatile to avoid reloading by the compiler duplicating oop loading code.
Reviewed-by: ehelin, eosterlund
tschatzl [Thu, 11 Jan 2018 11:05:17 +0100] rev 48632
8180280: [TESTBUG] Test for JDK-8180048
Summary: Add test at is executed only at higher tiers to allow more time for execution.
Reviewed-by: kbarrett, eosterlund