690378 - TI: "Assertion failure: sn && ((JSSrcNoteType)(((*(sn) >> 3) >= SRC_XDELTA) ? SRC_XDELTA : *(sn) >> 3)) == SRC_SWITCH,"

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

Attachment: testcase

The attached testcase asserts 64-bit js debug shell on JM changeset 55f463c562d4 with -m, -a, -d and -n at Assertion failure: sn && ((JSSrcNoteType)(((*(sn) >> 3) >= SRC_XDELTA) ? SRC_XDELTA : *(sn) >> 3)) == SRC_SWITCH, which should be passed in to the shell as a CLI argument.

Comment 1

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

Attachment: stack

Comment 2

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

Also occurs on 64-bit Mac m-c rev dbb129f069b1, but does not seem to occur in 32-bit.

Comment 3

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

(In reply to Gary Kwong [:gkw, :nth10sd] from comment #2)
> Also occurs on 64-bit Mac m-c rev dbb129f069b1, but does not seem to occur
> in 32-bit.

I take that back, it seems to only reproduce on JM but not on m-c, had tested the wrong shell previously.

Comment 4

[Brian Hackett [Laid off!]]

Is the comment 0 cset correct?  It dates back from March, and doesn't repro the assertion.

Comment 5

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

(In reply to Brian Hackett from comment #4)
> Is the comment 0 cset correct?  It dates back from March, and doesn't repro
> the assertion.

No, I must have pasted the wrong one. Please test with 44ef245b8706 (from bug 690376 or bug 690292)

Comment 6

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

I'm unable to reproduce this assert on m-c now.

-> WFM