Relates :
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Reliably reproduces on AArch64 and current jdk/jdk: $ CONF=linux-aarch64-server-fastdebug make images run-test TEST=compiler/c2/aarch64/TestVolatilesG1.java ... TEST RESULT: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Missing expected output membar_volatile \(elided\)! Bisection shows this is a guilty commit: changeset: 55898:b5ab9a71aa95 user: manc date: Mon Aug 05 13:18:31 2019 -0700 summary: 8225776: Optimize branch frequency of G1's write post-barrier in C2
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