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  1. JDK
  2. JDK-8214584

stackwalk returns null for scalar-replaced value

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Details

    • Bug
    • Status: Open
    • P4
    • Resolution: Unresolved
    • 9, 10, 11, 12, 13, 14
    • tbd
    • hotspot

    Description

      compiledVFrame::locals() will return unallocated (scalar-replaced) values if JIT escape analysis has eliminted the allocation. This will cause stackwalk clients to see an unexpected null object when LiveFrameStream::create_primitive_slot_instance() loads the value.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8214583 AccessController.getContext may return wrong value after JDK-8212605

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Enhancement - null JDK-8232391 consolidate various kinds of HotSpot return barriers

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Enhancement - null JDK-8227745 Enable Escape Analysis for Better Performance in the Presence of JVMTI Agents

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8214763 add compiler intrinsic to materialize objects

          • P2 - Crashes, loss of data, severe memory leak.
          • Open

          Enhancement - null JDK-8214585 LiveStackFrameInfo.getLocals does not materialize virtual objects

          • P3 - Major loss of function.
          • Open

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              dlong Dean Long
              dlong Dean Long
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              Dates

                Created:
                Updated: