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  1. JDK
  2. JDK-8232828

AArch64: compiler/c2/aarch64/TestVolatilesG1.java fails with "Missing expected output membar_volatile..."

    Details

    • Subcomponent:
    • Resolved In Build:
      b26
    • CPU:
      aarch64

      Description

      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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              • Assignee:
                adinn Andrew Dinn
                Reporter:
                shade Aleksey Shipilev
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                • Created:
                  Updated:
                  Resolved: