inference: add missing TypeVar handling for instanceof_tfunc
#55884
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I thought these sort of problems had been addressed by d60f92c, but it seems some were missed. Specifically, `t.a` and `t.b` from `t::Union` could be `TypeVar`, and if they are passed to a subroutine or recursed without being unwrapped or rewrapped, errors like #55882 could occur. This commit resolves the issue by calling `unwraptv` in the `Union` handling within `instanceof_tfunc`. I also found a similar issue inside `nfields_tfunc`, so that has also been fixed, and test cases have been added. While I haven't been able to make up a test case specifically for the fix in `instanceof_tfunc`, I have confirmed that this commit certainly fixes the issue reported in #55882. - fixes #55882
giordano
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vtjnash
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Sep 26, 2024
aviatesk
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Sep 27, 2024
) I thought these sort of problems had been addressed by d60f92c, but it seems some were missed. Specifically, `t.a` and `t.b` from `t::Union` could be `TypeVar`, and if they are passed to a subroutine or recursed without being unwrapped or rewrapped, errors like #55882 could occur. This commit resolves the issue by calling `unwraptv` in the `Union` handling within `instanceof_tfunc`. I also found a similar issue inside `nfields_tfunc`, so that has also been fixed, and test cases have been added. While I haven't been able to make up a test case specifically for the fix in `instanceof_tfunc`, I have confirmed that this commit certainly fixes the issue reported in #55882. - fixes #55882
aviatesk
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backport 1.10
KristofferC
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Sep 30, 2024
) I thought these sort of problems had been addressed by d60f92c, but it seems some were missed. Specifically, `t.a` and `t.b` from `t::Union` could be `TypeVar`, and if they are passed to a subroutine or recursed without being unwrapped or rewrapped, errors like #55882 could occur. This commit resolves the issue by calling `unwraptv` in the `Union` handling within `instanceof_tfunc`. I also found a similar issue inside `nfields_tfunc`, so that has also been fixed, and test cases have been added. While I haven't been able to make up a test case specifically for the fix in `instanceof_tfunc`, I have confirmed that this commit certainly fixes the issue reported in #55882. - fixes #55882 (cherry picked from commit 4b27a16)
KristofferC
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Oct 1, 2024
Backported PRs: - [x] #55849 <!-- Mmap: fix grow! for non file IOs --> - [x] #55863 <!-- Update TaskLocalRNG docstring according to #49110 --> - [x] #54433 <!-- Root globals in toplevel exprs --> - [x] #55828 <!-- Fix some corner cases of `isapprox` with unsigned integers --> - [x] #55890 <!-- Profile: fix order of fields in heapsnapshot & improve formatting --> - [x] #55884 <!-- inference: add missing `TypeVar` handling for `instanceof_tfunc` --> - [x] #55881 <!-- Install terminfo data under /usr/share/julia --> - [x] #55909 <!-- do not intentionally suppress errors in precompile script from being reported or failing the result --> - [x] #55355 <!-- relocation: account for trailing path separator in depot paths --> - [x] #55917 <!-- fix rawbigints OOB issues --> - [x] #55892 <!-- TOML: Avoid type-pirating `Base.TOML.Parser` --> - [x] #55798 <!-- Broadcast binary ops involving strided triangular --> - [x] #55919 <!-- Limit `@inbounds` to indexing in the dual-iterator branch in `copyto_unaliased!` --> Contains multiple commits, manual intervention needed: - [ ] #54009 <!-- allow extensions to trigger from packages in [deps] --> - [ ] #55509 <!-- Fix cong implementation to be properly random and not just cycling. --> - [ ] #55569 <!-- Add a docs section about loading/precomp/ttfx time tuning --> - [ ] #55824 <!-- Replace regex package module checks with actual code checks --> Non-merged PRs with backport label: - [ ] #55932 <!-- REPL: make UndefVarError aware of imported modules --> - [ ] #55910 <!-- Prevent extensions from blocking parallel pre-compilation --> - [ ] #55908 <!-- add logic to prefer loading modules that are already loaded --> - [ ] #55886 <!-- irrationals: restrict assume effects annotations to known types --> - [ ] #55871 <!-- lowering: don't reverse handler order in `(pop-handler-list ...)` --> - [ ] #55870 <!-- fix infinite recursion in `promote_type` for `Irrational` --> - [ ] #55867 <!-- update `hash` doc string: `widen` not required any more --> - [ ] #55851 <!-- [REPL] Fix #55850 by using `safe_realpath` instead of `abspath` in `projname` --> - [ ] #55813 <!-- Check for conflicting `@ccallable` name before JIT registration --> - [ ] #55743 <!-- doc: heap snapshot viewing --> - [ ] #55741 <!-- Change annotations to use a NamedTuple --> - [ ] #55534 <!-- Set stdlib sources as read-only during installation --> - [ ] #55499 <!-- propagate the terminal's `displaysize` to the `IOContext` used by the REPL --> - [ ] #55458 <!-- Allow for generically extracting unannotated string --> - [ ] #55457 <!-- Make AnnotateChar equality consider annotations --> - [ ] #55220 <!-- `isfile_casesensitive` fixes on Windows --> - [ ] #55169 <!-- `propertynames` for SVD respects private argument --> - [ ] #54457 <!-- Make `String(::Memory)` copy --> - [ ] #53957 <!-- tweak how filtering is done for what packages should be precompiled --> - [ ] #51479 <!-- prevent code loading from lookin in the versioned environment when building Julia --> - [ ] #50813 <!-- More doctests for Sockets and capitalization fix --> - [ ] #50157 <!-- improve docs for `@inbounds` and `Base.@propagate_inbounds` -->
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I thought these sort of problems had been addressed by d60f92c, but it seems some were missed. Specifically,
t.aandt.bfromt::Unioncould beTypeVar, and if they are passed to a subroutine or recursed without being unwrapped or rewrapped, errors like #55882 could occur.This commit resolves the issue by calling
unwraptvin theUnionhandling withininstanceof_tfunc. I also found a similar issue insidenfields_tfunc, so that has also been fixed, and test cases have been added. While I haven't been able to make up a test case specifically for the fix ininstanceof_tfunc, I have confirmed that this commit certainly fixes the issue reported in #55882.