Re: [Failure] Re: git 2.40.0-rc1

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<rsbecker@xxxxxxxxxxxxx> writes:

> On Thursday, March 2, 2023 3:00 PM, Junio C Hamano wrote:
>><rsbecker@xxxxxxxxxxxxx> writes:
>>
>>> On Thursday, March 2, 2023 1:44 PM, Junio C Hamano wrote:
>>>><rsbecker@xxxxxxxxxxxxx> writes:
>>>>
>>>>> Git 2.40.0-rc2 was a regression from rc1. The following new tests failed:
>>
>>I think you are reporting -rc1 relative to -rc0.
>>
>>>>> t3206 - virtually all subtests failed. An example of this failure is
>>>>> a results comparison in subtest 1 (seemingly relating to abbreviation):
>>>>> + test_cmp expect actual
>>>>> --- expect      2023-03-02 16:39:23 +0000
>>>>> +++ actual      2023-03-02 16:39:23 +0000
>>>>> @@ -1,4 +1,4 @@
>>>>> -1:  4de457d = 1:  35b9b25 s/5/A/
>>>>> -2:  fccce22 = 2:  de345ab s/4/A/
>>>>> -3:  147e64e = 3:  9af6654 s/11/B/
>>>>> -4:  a63e992 = 4:  2901f77 s/12/B/
>>>>> +1:  4de457d2c0d218f48d66f45f9b30f3aa62562105 = 1:
>>>>> 35b9b25f76d404d09a23e6c8efa96c3ce19e19aa s/5/A/
>>>>
>>>>Are any big endian machines involved?
>>>>
>>>>cf. https://lore.kernel.org/git/Y%2F+paI8WGSmEbv%2Fw@xxxxxxxxx/
>>>
>>> Oh yes. All NonStop variants are big-endian. That hasn't changed the
>>> SHA-1 signatures though.
>>
>>There is a stupid sequence that slipped through the review
>>
>>	char c = structPtr->intMember;
>>
>>	if (c < 0)
>>		... do something ...
>>
>>and where "char" is "unsigned char", the compiler thinks "do something" will never
>>trigger and from there everything goes haywire.
>>
>>The tip of 'master' already has a fix (and no other changes as of this writing), and
>>will be part of -rc2.
>
> Thank you for the really fast fix on this 😊.
> --Randall

Don't thank me.  It was René Scharfe who caught and fixed it first,
which happened a few days ago and the URL above was from yesterday.



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