Merge pull request #17574 from apple/swift-project-settings

Author: swift-ci

utils/swift-project-settings.el

@@ -114,7 +114,7 @@
 ;; project settings yet.  For example, Swift files may come up in
 ;; Fundamental mode, and C++ files won't use the swift style, unless
 ;; we do something.  This hack causes the file to be re-mode-ed.
-(set-auto-mode)
+(ignore-errors (set-auto-mode))
 
 (defun swift-project-comment-end ()
   "If comment-end is non-empty returns it, stripped of leading whitespace.  Returns nil otherwise"