[swift-users] Swift REPL broken after updating to Sierra, is it just me?

[Kate Stone]

If you’ve specified “sudo xcode-select -s /Applications/Xcode.app” then it’s surprising that the REPL session is attempting to use the LLDB and SDK from /Applications/Xcode-beta.app.  Can you double-check what “xcode-select -p” reports?

I can’t say I’ve seen a segmentation fault on REPL launch.  If you see the same behavior once moving to the GM build of Xcode it would definitely be worth filing a radar via bugreport.apple.com with an LLDB crashlog attached to investigate further.

Kate Stone k8stone at apple.com <mailto:k8stone at apple.com>
 Xcode Low Level Tools

> On Oct 6, 2016, at 6:51 AM, Jens Persson via swift-users <swift-users at swift.org> wrote:
> 
> After updating to Sierra I can no longer use the Swift REPL. It crashes immediately (see Terminal session below). Anyone else having the same problem, any workaround?
> 
> It didn't help to download and reinstall the command line tools for 10.12. 
> 
> (I had Xcode 8 and 8.1 beta installed before updating to Sierra. It might have happened just after I did a sudo xcode-select -s /Applications/Xcode.app )
> 
> See Terminal session below.
> 
> /Jens
> 
> 
> › swift
> Welcome to Apple Swift version 3.0 (swiftlang-800.0.48 clang-800.0.40). Type :help for assistance.
> Segmentation fault: 11
> › 
> › swift -v
> Apple Swift version 3.0 (swiftlang-800.0.49 clang-800.0.40)
> Target: x86_64-apple-macosx10.9
> /Applications/Xcode-beta.app/Contents/Developer/usr/bin/lldb "--repl=-target x86_64-apple-macosx10.9 -enable-objc-interop -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk -color-diagnostics"
> Welcome to Apple Swift version 3.0 (swiftlang-800.0.48 clang-800.0.40). Type :help for assistance.
> Segmentation fault: 11
> › 
> › /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk -target x86_64-apple-macosx10.12
> Welcome to Apple Swift version 3.0 (swiftlang-800.0.46.2 clang-800.0.38). Type :help for assistance.
> Segmentation fault: 11
> 
> 
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