[PATCH] Add a new pass to compute DWARF path discriminators.

[Rafael Ávila de Espíndola]

================
Comment at: lib/MC/MCObjectStreamer.cpp:266
@@ -265,1 +265,3 @@
                                              StringRef FileName) {
+  if (::getenv("LLVM_HACK"))
+    errs() << "MCObjectStreamer::EmitDwarfLocDirective: " << Line << ":"
----------------
leftover debug? :-)


http://llvm-reviews.chandlerc.com/D2691