RFR: 8259580: Shenandoah: uninitialized label in VerifyThreadGCState

[Aleksey Shipilev]

On Mon, 11 Jan 2021 20:54:28 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

>> "label" is passed, but never hooked into the field. So instead of reporting a GC bug, Verifier would probably crash itself trying to read garbage memory.
>
> src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp line 606:
> 
>> 604: private:
>> 605:   const char* const _label;
>> 606:          char const _expected;
> 
> Why can't _expected not be const char* const too? Are we really messing with the string on the way?

@rkennke Still good with this explanation?

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PR: https://git.openjdk.java.net/jdk/pull/2033