2102
77%
master: 98%

Ran 24 Mar 2018 04:50PM UTC

Jobs 1

Files 51

Run time 2s

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Build # 2102

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push

travis-ci

Committed by

smarr

Commit Message

Race condition in object model, further debugging needed

This debugging code helps debugging a race condition in the object model.

This seems to be observable rather reliably with accesses to cached class fields.

Specifically, we can see that in Parser.ns, we read the slot `R`, and retrieve an `A class` instead of `R class` rather reliably.
First, I assumed something to be wrong in the outer read nodes.
But now I am convinced that the object model is to blame.

I see reads that a specialized for the current object layout and access the slot storage, which normally should belong to R, but contains A.
Not sure where the problem happens.
It could be the writing and/or the object transitioning that is at fault.

This is reproducible in the interpreter without Graal by running the BasicInterpreterTests, possibly multiple times.

Signed-off-by: Stefan Marr <git@stefan-marr.de>

Run Details

5322 of 6883 relevant lines covered (77.32%)

1369.68 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	2102.1 (TASK=core-tests)	24 Mar 2018 04:50PM UTC	0	77.32	Travis Job 2102.1

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