Failed to parse executable: Unknown header: 1918975009

Originator:steipete
Number:rdar://39243473 Date Originated:06-Apr-2018 08:13 PM
Status:Open Resolved:
Product:iOS + SDK Product Version:9.3
Classification:Other Bug Reproducible:Always
 
Summary:
This is a duplicate of radar #39239128

Starting with Xcode 9.3 and while using the new build system, I noticed warnings that I can't explain, nor silence.

Warning: Failed to parse executable: Unknown header: 1918975009

Not only me: https://stackoverflow.com/a/49579914/699944


Steps to Reproduce:
Use the new build system.
Switching back to the old non-Swift-based build system fixes the issue.

see logs: https://gist.github.com/krzyzanowskim/b674f3d5110f575ef69729dcb669736c

See the gist of build logs
https://gist.github.com/krzyzanowskim/b674f3d5110f575ef69729dcb669736c

Expected Results:
no warnings

Actual Results:
Failed to parse executable: Unknown header: 1918975009

Version/Build:
Xcode Version 9.3 (9E145)

Version:
9.3

Notes:

Comments


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!