Fix compile error as debug interface changed.

By the way, this code is buggy. You can't keep a map<MDNode *, something>
because the MDNode may be destroyed and reused for something else.

llvm-svn: 83141

llvm/lib/ExecutionEngine/JIT/OProfileJITEventListener.cpp

@@ -72,15 +72,13 @@ class FilenameCache {
   // Holds the filename of each CompileUnit, so that we can pass the
   // pointer into oprofile.  These char*s are freed in the destructor.
   DenseMap<MDNode*, char*> Filenames;
-  // Used as the scratch space in DICompileUnit::getFilename().
-  std::string TempFilename;
 
  public:
   const char *getFilename(MDNode *CompileUnit) {
     char *&Filename = Filenames[CompileUnit];
     if (Filename == NULL) {
       DICompileUnit CU(CompileUnit);
-      Filename = strdup(CU.getFilename(TempFilename).c_str());
+      Filename = strdup(CU.getFilename());
     }
     return Filename;
   }