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Optimize metadata members and custom attributes reading [WIP]

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| Method | Mean | Error | StdDev | Gen0 | Gen1 | Gen2 | Allocated | |---------- |--------:|---------:|---------:|----------:|----------:|----------:|----------:| | ILReading - Old | 5.752 s | 0.0843 s |...

DedSec256

Enable PGO - alternative approach

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## Description This should eventually make the FSC and FSI start about 30% faster. The implementation is inspired by the runtime targets. Fixes #12636 Fixes #13328

psfinaki

As mentioned in #17292, it cannot get the type of an object expreesions, so the override completion feature cannot know which slots was implemented and should not suggest again. **Expected...

ijklam

[Just for running test] Some auto completion improvement

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## Description - Support #16562 for C# style extension methods - When caret is after `=` or ``, show static field or property of the former expr type. These static...

ijklam

F# using lazy keyword raises trimming warnings on publish.

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### Discussed in https://github.com/dotnet/fsharp/discussions/17323 Originally posted by **@abklearnhere** June 18, 2024 F# using lazy keyword raises trimming warnings on publish. For example, ```fsharp let f23 () = let z =...

abklearnhere

Merge main to feature/nullness

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This is an automatically generated pull request from main into feature/nullness. Once all conflicts are resolved and all the tests pass, you are free to merge the pull request. 🐯...

dotnet-bot

.NET Framework test runs are _super_ slow in CI

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(Put this under https://github.com/dotnet/fsharp/labels/Contributor%20Pain, I guess.) When did the Windows desktop (.NET Framework) build+test runs start taking ~3× as long as the other build+test runs? Was this an expected outcome...

brianrourkeboll

Unify exceptions for out of bounds conditions in core functions

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We have 3 different behaviors currently: X.skip throws `InvalidArgOutOfRange` when count > n X.take throws `InvalidOperation` when count > n X.sample throws `InvalidArg` when count > n We should unify...

psfinaki

F# discriminated unions simple use raises AOT and trimming warnings on publish.

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### Discussed in https://github.com/dotnet/fsharp/discussions/17323 Originally posted by **@abklearnhere** June 18, 2024 I asked [this question](https://stackoverflow.com/questions/78623078/f-discriminated-unions-simple-use-raises-aot-and-trimming-warnings-on-publish) on StackOverflow and was suggested that it should be discussed on GitHub in relation to...

vzarytovskii

Minimize the number of desktop-only compiler service tests

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We have already a few dozens of compiler service tests marked as `FactForDesktop`. While skimming through them, I didn't find a good reason for that in most cases, they should...

psfinaki