swift-stdlib-tool is missing in Xcode 8.3 Beta 2

Number:rdar://30491233 Date Originated:
Status:Behaves correctly Resolved:
Product:Developer Tools Product Version:
Classification: Reproducible:
As of Xcode 8.3b2, the built-in Swift toolchain does not contain swift-stdlib-tool utility. It's being used in the Bazel build system to copy the required Swift runtime libraries and is not open-sourced or available otherwise.

Can you please keep it there?

Steps to Reproduce:
Install Xcode 8.3 Beta 2, then run

$ xcrun -f swift-stdlib-tool
xcrun: error: unable to find utility "swift-stdlib-tool", not a developer tool or in PATH

Expected Results:
A path to the binary, e.g.

$ xcrun -f swift-stdlib-tool

Actual Results:

Xcode Version 8.3 beta 2 (8W120l)


Apple Developer Relations

We have another update.

We’re going to consider putting the tool back after all.

We are leaving this report closed.

Please be sure to regularly check new Apple releases for any updates that might affect this issue.

Engineering has provided the following information regarding this issue:

This was an internal tool that was not intended to be used directly by anything outside Xcode's build system. This logic is now instead part of Xcode's build system for a number of reasons.

Please note: Reports posted here will not necessarily be seen by Apple. All problems should be submitted at bugreport.apple.com before they are posted here. Please only post information for Radars that you have filed yourself, and please do not include Apple confidential information in your posts. Thank you!