bug#55664: emacs-deferred: hangs during build

bug#55664: emacs-deferred: hangs during build

[Christopher Howard]

emacs-deferred build hangs - during the check phase, I think:

```
starting phase `check'
ert-runner test/deferred-test.el
emacs -batch -L . -f batch-byte-compile deferred.el
ert-runner test/concurrent-test.el
Loading /gnu/store/vmqx1zhw3gn2xzslzzgdgbmk15ry6347-emacs-ert-expectations-0.2/share/emacs/site-lisp/ert-expectations-0.2/ert-expectations-autoloads...
Loading /gnu/store/sqq9wb1fmmfpqnliz2zslh1j12ppib53-emacs-ert-runner-0.8.0/share/emacs/site-lisp/ert-runner-0.8.0/ert-runner-autoloads...
Loading /gnu/store/hxmwyw6vfla0c5z2b7w1h59yym0739vs-emacs-undercover-0.8.1/share/emacs/site-lisp/undercover-0.8.1/undercover-autoloads...
Loading /gnu/store/sh2bgdrxpzgdkr5nlyh6q2xw02vj5zk4-emacs-shut-up-0.3.3/share/emacs/site-lisp/shut-up-0.3.3/shut-up-autoloads...
Loading /gnu/store/v8faj6q8qx6zmb6cg63zfgpzryflkdw4-emacs-dash-2.19.1/share/emacs/site-lisp/dash-2.19.1/dash-autoloads...

In deferred:cancelTimeout:
deferred.el:118:8: Warning: docstring wider than 80 characters

In deferred:status:
deferred.el:427:8: Warning: docstring wider than 80 characters

In deferred:nextc:
deferred.el:459:8: Warning: docstring wider than 80 characters

In deferred:error:
deferred.el:464:8: Warning: docstring wider than 80 characters

In deferred:watch:
deferred.el:469:8: Warning: docstring wider than 80 characters

In deferred:earlier-main:
deferred.el:675:33: Warning: value returned from (length (car-safe
    (internal-get-closed-var 3))) is unused
ert-runner test/deferred-test.el -l deferred.elc
Test Finished : 2022/05/26 17:45:34
Tests Fails: 0 / 13
cc:test-dataflow-simple2 : OK
cc:test-semaphore1 : OK
cc:test-signal1 : OK
cc:test-dataflow-simple1 : OK
cc:test-dataflow-parent1 : OK
cc:test-dataflow-simple3 : OK
cc:test-dataflow-simple4 : OK
cc:test-dataflow-parent2 : OK
cc:test-signal2 : OK
cc:test-dataflow-signal : OK
cc:test-semaphore2 : OK
cc:test-fib-gen : OK
cc:test-thread : OK

.

Ran 1 test in 4.432 seconds

deferred error : (wrong-number-of-arguments (3 . 3) 4)

deferred error : (wrong-number-of-arguments (3 . 3) 4)
```

After printing that, nothing else happens on the terminal output until I hit Cntl-C. There does not seem to be any significant amount of CPU activity going on. I've tried adding '-M 1 -c 1' but that doesn't make a difference. My system information:

```
christopher@theoden ~$ neofetch --stdout
christopher@theoden 
------------------- 
OS: Guix System x86_64 
Host: OptiPlex 9020 00 
Kernel: 5.17.5-gnu 
Uptime: 7 days, 3 hours, 20 mins 
Packages: 92 (guix-system), 165 (guix-user) 
Shell: bash 5.1.8 
Resolution: 1920x1080 
DE: GNOME 
Theme: Adwaita [GTK2/3] 
Icons: Adwaita [GTK2/3] 
Terminal: .gnome-terminal 
CPU: Intel i5-4570 (4) @ 3.600GHz 
GPU: Intel HD Graphics 
GPU: AMD ATI Radeon HD 8490 / R5 235X OEM 
Memory: 4491MiB / 7867MiB 
```

-- 
📛 Christopher Howard
🚀 gemini://gem.librehacker.com
🌐 https://portal.mozz.us/gemini/gem.librehacker.com

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bug#55664: emacs-deferred: hangs during build

[Maxime Devos]

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merge 55504 55664
thanks

Duplicate of <https://issues.guix.gnu.org/55504>.
For future reference, you can use the search interface at
https://issues.guix.gnu.org/search?query=emacs-deferred
to look if an issue has already been reported.

Greetings,
MMaxime

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