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inference: fix infinite recursion of nested Generators #51845

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merged 1 commit into from
Oct 25, 2023
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vtjnash
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@vtjnash vtjnash commented Oct 24, 2023

It seems this case has already been fixed by other improvements, so we no longer need this hack, which is now causing problems.

Fixes #51694

It seems this case has already been fixed by other improvements, so we
no longer need this hack, which is now causing problems.

Fixes #51694
@vtjnash vtjnash added the backport 1.10 Change should be backported to the 1.10 release label Oct 24, 2023
@oscardssmith
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wow, that's horrifying.

@aviatesk
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Just confirmed this fixes the issue.

@aviatesk aviatesk merged commit 3c21e32 into master Oct 25, 2023
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@aviatesk aviatesk deleted the jn/51694 branch October 25, 2023 05:52
aviatesk pushed a commit that referenced this pull request Oct 25, 2023
It seems this case has already been fixed by other improvements, so we
no longer need this hack, which is now causing problems.

Fixes #51694
@aviatesk aviatesk mentioned this pull request Oct 25, 2023
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@aviatesk aviatesk removed the backport 1.10 Change should be backported to the 1.10 release label Oct 25, 2023
KristofferC added a commit that referenced this pull request Nov 2, 2023
Backported PRs:
- [x] #50932 <!-- types: fix hash values of Vararg -->
- [x] #50975 <!-- Use rr-safe `nopl; rdtsc` sequence -->
- [x] #50989 <!-- fix incorrect results in `expm1(::Union{Float16,
Float32})` -->
- [x] #51284 <!-- Avoid infinite loop when doing SIGTRAP in arm64-apple
-->
- [x] #51332 <!-- Add s4 field to Xoshiro -->
- [x] #51397 <!-- call Pkg precompile hook in latest world -->
- [x] #51405 <!-- Remove fallback that assigns a module to inlined
frames. -->
- [x] #51491 <!-- Throw clearer ArgumentError for strip with two string
args -->
- [x] #51531 <!-- fix `_tryonce_download_from_cache` (busybox.exe
download error) -->
- [x] #51541 <!-- Fix string index error in tab completion code -->
- [x] #51530 <!-- Don't mark nonlocal symbols as hidden -->
- [x] #51557 <!-- Fix last startup & shutdown precompiles -->
- [x] #51512 <!-- avoid limiting Type{Any} to Type -->
- [x] #51595 <!-- reset `maxprobe` on `empty!` -->
- [x] #51582 <!-- Aggressive constprop in LinearAlgebra.wrap -->
- [x] #51592 <!-- correctly track element pointer in heap snapshot -->
- [x] #51326 <!-- complete false & true more generally as vals -->
- [x] #51376 <!-- make `hash(::Xoshiro)` compatible with `==` -->
- [x] #51557 <!-- Fix last startup & shutdown precompiles -->
- [x] #51845 
- [x] #51840 
- [x] #50663 <!-- Fix Expr(:loopinfo) codegen -->
- [x] #51863 <!-- LLVM 15.0.7-9 -->

Contains multiple commits, manual intervention needed:

- [ ] #51035 <!-- refactor GC scanning code to reflect jl_binding_t are
now first class -->
- [ ] #51092 <!-- inference: fix bad effects for recursion -->

Non-merged PRs with backport label:
- [ ] #51479 <!-- prevent code loading from lookin in the versioned
environment when building Julia -->
- [ ] #51414 <!-- improvements on GC scheduler shutdown -->
- [ ] #51366 <!-- Handle infix operators in REPL completion -->
- [ ] #50919 <!-- Code loading: do the "skipping mtime check for stdlib"
check regardless of the value of `ispath(f)` -->
- [ ] #50824 <!-- Add some aliasing warnings to docstrings for mutating
functions in Base -->
- [ ] #49805 <!-- Limit TimeType subtraction to AbstractDateTime -->
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Type inference optimize hang on master: generator stuck perform_lifting / simple_walk
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