Attachment: Download

Issue Description:

(lldb) p prevMsg
error: Couldn't materialize: couldn't get the value of runOnce: extracting data from value failed
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression

open class Util {
...
static var prevMsg = ""

open static func log(_ message: String, _ dc: DebugCategories, sourcePath: String = #file, line: Int = #line, function: String = #function, toServer: Bool = false) {

....
let annotatedMsg = "(versionString) (threadType) (baseName) (function)[(line)]: (message)"
if annotatedMsg == prevMsg {
^^^^^^^^^^^^^^^^^ bad accesses here and refuses to show the prevMsg contents

(lldb) p annotatedMsg
error: Couldn't materialize: couldn't get the value of runOnce: extracting data from value failed
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression

(lldb) p annotatedMsg
error: Couldn't materialize: couldn't get the value of runOnce: extracting data from value failed
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression
(lldb) po annotatedMsg
error: Couldn't materialize: couldn't get the value of runOnce: extracting data from value failed
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression
(lldb) p versionString
error: Couldn't materialize: couldn't get the value of runOnce: extracting data from value failed
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression

(lldb) expression --unwind-on-error=0 – prevMsg
error: Couldn't materialize: couldn't get the value of runOnce: extracting data from value failed
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression
(lldb) frame variable annotatedMsg
(String) annotatedMsg = "p2.0.64d other Latency.swift endSample()[26]: Sample: 0.155836999416351s"
(lldb) p annotatedMsg
error: Couldn't materialize: couldn't get the value of runOnce: extracting data from value failed
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression
(lldb) frame variable prevMsg
(String) prevMsg = "p2.0.64d main ConnectionManager.swift listContainers(_:ofOwnerUUID:completion🙂[840]: Listing 1 containers type Board owner AB3FC8AA-30BE-11E7-A479-0E3EB6C67884"