Remove std::string uses from DebugInfo interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83083 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index d312eed..f582f9b 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -450,8 +450,8 @@
   /// source file names. If none currently exists, create a new id and insert it
   /// in the SourceIds map. This can update DirectoryNames and SourceFileNames maps
   /// as well.
-  unsigned GetOrCreateSourceID(const std::string &DirName,
-                               const std::string &FileName);
+  unsigned GetOrCreateSourceID(const char *DirName,
+                               const char *FileName);
 
   void ConstructCompileUnit(MDNode *N);