RxSwift 6.5.0 XCFramework breaks console po command

[pmanuelli]

Short description of the issue:

With RxSwift and RxCocoa 6.5.0 integrated using the precompiled XCFrameworks, the object debug command (po) on the Xcode console stops working.

When trying to print an object with the po command I get an error. This happens with any object that I try to debug on the console.

This happens with the XCFrameworks integrated manually on the project or using CocoaPods.

Expected outcome:

The object is printed on the console normally.

What actually happens:

An error is printed on the console:

po myObject

error: virtual filesystem overlay file '/Users/shaimishali/Library/Developer/Xcode/DerivedData/Rx-dxolnknlpjuxspdqvtqlinrlckhg/Build/Intermediates.noindex/ArchiveIntermediates/RxCocoa/IntermediateBuildFilesPath/Rx.build/Release-iphonesimulator/RxCocoa.build/all-product-headers.yaml' not found
error: virtual filesystem overlay file '/Users/shaimishali/Library/Developer/Xcode/DerivedData/Rx-dxolnknlpjuxspdqvtqlinrlckhg/Build/Intermediates.noindex/ArchiveIntermediates/RxCocoa/IntermediateBuildFilesPath/Rx.build/Release-iphonesimulator/RxCocoa.build/all-product-headers.yaml' not found

error: couldn't IRGen expression. Please check the above error messages for possible root causes.

The error complains about RxCocoa. But if I remove it and leave only RxSwift it now complains about RxSwift:

po myObject

error: virtual filesystem overlay file '/Users/shaimishali/Library/Developer/Xcode/DerivedData/Rx-dxolnknlpjuxspdqvtqlinrlckhg/Build/Intermediates.noindex/ArchiveIntermediates/RxSwift/IntermediateBuildFilesPath/Rx.build/Release-iphonesimulator/RxSwift.build/all-product-headers.yaml' not found
error: virtual filesystem overlay file '/Users/shaimishali/Library/Developer/Xcode/DerivedData/Rx-dxolnknlpjuxspdqvtqlinrlckhg/Build/Intermediates.noindex/ArchiveIntermediates/RxSwift/IntermediateBuildFilesPath/Rx.build/Release-iphonesimulator/RxSwift.build/all-product-headers.yaml' not found

error: couldn't IRGen expression. Please check the above error messages for possible root causes.

I see that the file's path contains what seems to be a local path /Users/shaimishali/Library/Developer/Xcode/DerivedData/

Self contained code example that reproduces the issue:

Demo project in:

https://github.com/pmanuelli/RxSwiftXCFrameworkCocoapodsExample

The repo contains two projects integrating RxSwift XCFrameworks using cocoapods. One of them has the xcframeworks locally. I recommend using that one.

RxSwift/RxCocoa/RxBlocking/RxTest version/commit

6.5.0 (with XCFramework)

Platform/Environment

• iOS
• macOS
• tvOS
• watchOS
• playgrounds

How easy is to reproduce? (chances of successful reproduce after running the self contained code)

• easy, 100% repro
• sometimes, 10%-100%
• hard, 2% - 10%
• extremely hard, %0 - 2%

Xcode version:

13.2.1

Installation method:

• CocoaPods
• Carthage
• Git submodules

It's integrated using custom podspecs files but I tried also integrating the frameworks manually.

I have multiple versions of Xcode installed:
(so we can know if this is a potential cause of your issue)

• yes (which ones)
• no

Level of RxSwift knowledge:
(this is so we can understand your level of knowledge
and formulate the response in an appropriate manner)

• just starting
• I have a small code base
• I have a significant code base

[urbanusjam]

I ran into the same issue. Please submit a fix!

[ifiszer]

I'm also facing this issue.

[rfigini]

I have this same issue.

[cravacuore]

Same issue here.

[freak4pc]

Interesting Swift compiler bug. Could you please try these binaries?
https://wetransfer.com/downloads/3db4a4695085a80795c34c857924211c20220207194358/4fcdac8b1a544801593ece100880837620220207194410/e58ffc

[pmanuelli]

Thank you for the answer Shai.

Sadly, I get the same error.

error: virtual filesystem overlay file '/Users/shaimi/Library/Developer/Xcode/DerivedData/Rx-fnydthwmdxbkewbwclvzkrlxeqab/Build/Intermediates.noindex/ArchiveIntermediates/RxSwift/IntermediateBuildFilesPath/Rx.build/Release-iphonesimulator/RxSwift.build/all-product-headers.yaml' not found
error: virtual filesystem overlay file '/Users/shaimi/Library/Developer/Xcode/DerivedData/Rx-fnydthwmdxbkewbwclvzkrlxeqab/Build/Intermediates.noindex/ArchiveIntermediates/RxSwift/IntermediateBuildFilesPath/Rx.build/Release-iphonesimulator/RxSwift.build/all-product-headers.yaml' not found

error: couldn't IRGen expression. Please check the above error messages for possible root causes.

The derived data path is different. So I think that I'm indeed using the provided binaries.

[freak4pc]

I'm not entirely sure there's much I can do. Seems like an issue with the compiler.
Care to open a bug with bugs.swift.org ?

[freak4pc]

Closing this for the time being as there doesn't seem like there's anything I can do with it. If you think otherwise or find new information, feel free to comment here again. Thanks!