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e927887b7e
Supersedes #26120 (https://github.com/nim-lang/Nim/pull/26120), which fixed the reported case but left the `tfShallow` half of the same condition open. Since #25860 array literals are materialized into temporaries so that `lent` results keep valid backing storage. In an async proc such a temporary is lifted into the closure environment, and the environment is filled with an `nkFastAsgn`, i.e. without `needToCopy`. `genGenericAsgn` then emitted `genericShallowAssign` from the static const array, and for the `string` elements that ends in `unsureAsgnRef` -> `incRef(usrToCell(literal))` on memory that has no GC header: proc f() {.async.} = for ip in ["::1", "2001:db8::", "::"]: await sleepAsync(1) `OnStatic` sources must therefore always take the `genericAssign` path. Note that the guard has to dominate the `tfShallow` test as well, not just the `needToCopy` one: a `{.shallow.}` destination assigned from a `const` crashes in exactly the same way. This is the precedence `genOptAsgnTuple` and `genOptAsgnObject` already use, so `genGenericAsgn` now agrees with its two siblings instead of contradicting them. refc only; the other GCs do not reference count in `unsureAsgnRef`. Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
This directory contains the test cases.
Each test must have a filename of the form: t*.nim
Note: Testament is only aware of tests under a directory (eg tests/foo/) and will ignore
top-level tests like tests/tbar.nim.
Specs
Each test can contain a spec in a discard """ ... """ block.
Check out the parseSpec procedure in the specs module for a full and reliable reference
action
Specifies what action this test should take.
Default: run
Options:
compile- compiles the module and fails the test if compilations fails.run- compiles and runs the module, fails the test if compilation or execution of test code fails.reject- compiles the module and fails the test if compilation succeeds.
There are certain spec keys that imply run, including output and
outputsub.
Categories
Each folder under this directory represents a test category, which can be
tested by running koch tests pcat <category> (or cat to avoid parallel
testing, which is slower).
The folder dll contains simple DLL tests.
The folder realtimeGC contains a test for validating that the realtime GC
can run properly without linking against the nimrtl.dll/so.