> On Jan 2, 2016, at 4:20 PM, Alex Knauth <[email protected]> wrote:
> 
> You could try it by checking out my delay-light branch from 
> https://github.com/AlexKnauth/racket/tree/delay-light
> 
> I get the error when compiling pkgs/racket-test/tests/racket/promise.rkt 
> where it uses `delay*`.

The branch where I switch it to use delayA is the delayA branch here:
https://github.com/AlexKnauth/racket/tree/delayA
With the switch to delayA 
<https://github.com/AlexKnauth/racket/commit/57a636420bcdef266d5a65d8823924fdab93897c>
 commit and the switch back to delay* 
<https://github.com/AlexKnauth/racket/commit/65bc0a609154deb5d010bd333c1fd5958cde9687>
 commit.

>> On Jan 2, 2016, at 4:16 PM, Matthew Flatt <[email protected]> wrote:
>> 
>> That sounds like a bug. I fixed a bug with similar symptoms a few weeks
>> ago, so maybe this one has a similar cause. How would I try it?
>> 
>> At Sat, 2 Jan 2016 15:41:44 -0500, Alex Knauth wrote:
>>> Hello,
>>> 
>>> I've been getting a weird `link: module mismatch` error. Normally, those 
>>> kinds 
>>> of errors go away when I delete a compiled/ directory or run raco setup. 
>>> This 
>>> one stays even after I do that. 
>>> 
>>> But it gets even weirder. It  only  shows up when I use the identifier 
>>> `delay*`, and not when I use the identifier `delayA`, for instance. (My Dad 
>>> suggested that) Since `*` is supposed to be a valid character in 
>>> identifiers, 
>>> this seems like it should be a bug, unless I'm missing something.
>>> 
>>> Do any of you have an idea about what could cause this?
>>> 
>>> I'm providing `delay*` as lighter-weight a variant of `delay` in a pull 
>>> request branch. It's originally defined as a macro `delay**`, and provided 
>>> with a rename-out from that to `delay*`. Is it possible that the rename-out 
>>> is 
>>> messing things up, combined with the star?
>>> 
>>> The full error message is this:
>>> . ../../../../racket/collects/racket/promise.rkt:237:49: link: module 
>>> mismatch;
>>> possibly, bytecode file needs re-compile because dependencies changed
>>> importing module: 'promise
>>> exporting module: 
>>> "/Users/Alex/Documents/GitHub/AlexKnauth/racket/racket/collects/racket/promise.
>>> rkt"
>>> exporting phase level: 0
>>> internal explanation: variable not provided (directly or indirectly) in: 
>>> delay*
>>> 
>>> Alex Knauth
>>> 
>>> 
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