Adrian Prantl 56acd5a66e Honor -fdebug-prefix-map when creating function names for the debug info. ...

This adds a callback to PrintingPolicy to allow CGDebugInfo to remap
file paths according to -fdebug-prefix-map. Otherwise the debug info
(particularly function names for C++ lambdas) may contain paths that
should have been remapped in the debug info.

<rdar://problem/46128056>

Differential Revision: https://reviews.llvm.org/D55137

llvm-svn: 348397

2018-12-05 18:37:44 +00:00

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