John McCall eea07b318d Preserve PrettyStackTrace context in the interface worker thread. ...

Because we block the calling thread, this should be safe for the existing
implementation of PrettyStackTrace; however, it would be much nicer if
LLVM provided direct support for this.

The most important thing from the trace that we want to print is the
original command line, so an alternative would be to just make a
PrettyStackTrace that printed all of the CompilerInvocation context;
I think that's accessible somewhere.  But this is a nice, simple
improvement.

2020-03-09 22:13:36 -04:00

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