Xcode crash on Swift breakpoints

Originator:ski081
Number:rdar://20053515 Date Originated:3/5/2015
Status:Open Resolved:
Product:Xcode Product Version:6.1.1
Classification:Developer Tools Reproducible:Yes
 
Summary:
I have a large project that has a mix of mostly Objective-C and some Swift files in it. Breakpoints work fine when set on lines of Objective-C files, but when setting breakpoints on any Swift file, Xcode stops briefly on the breakpoint then crashes, but the application continues to run. This occurs on the simulator and the device

Steps to Reproduce:
1. Set a breakpoint in a Swift file in a project that includes both Swift and Objective-C files
2. Run application 
3. Perform actions that will cause the breakpoint to be hit
4. Xcode crashes
5. Application continues to run

Expected Results:
Xcode stops on the breakpoint and allows interaction with the debugger

Actual Results:
Xcode crashes

Version:
Xcode 6.1.1, iOS SDK 8.1

Notes:
Crash report attached

Configuration:
Xcode 6.1.1, iOS SDK 8.1

Attachments:
'CrashReport.txt' was successfully uploaded.

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