Index: compiler-rt/trunk/lib/profile/InstrProfilingFile.c
===================================================================
--- compiler-rt/trunk/lib/profile/InstrProfilingFile.c
+++ compiler-rt/trunk/lib/profile/InstrProfilingFile.c
@@ -318,12 +318,12 @@
   if (lprofCurFilename.Filename)
     free((void *)lprofCurFilename.Filename);
 
-  memset(&lprofCurFilename, 0, sizeof(lprofCurFilename));
-
   if (lprofCurFilename.FilenamePat && lprofCurFilename.OwnsFilenamePat) {
     free((void *)lprofCurFilename.FilenamePat);
   }
 
+  memset(&lprofCurFilename, 0, sizeof(lprofCurFilename));
+
   if (!CopyFilenamePat)
     lprofCurFilename.FilenamePat = FilenamePat;
   else {