Switch to SmallString::str from SmallString::c_str.
 - Several FIXMEs due to non-Twinification of IRBuilder.

llvm-svn: 79455
diff --git a/clang/lib/Frontend/InitHeaderSearch.cpp b/clang/lib/Frontend/InitHeaderSearch.cpp
index 1507ea5..ad070cd 100644
--- a/clang/lib/Frontend/InitHeaderSearch.cpp
+++ b/clang/lib/Frontend/InitHeaderSearch.cpp
@@ -75,8 +75,8 @@
   }
   
   if (Verbose)
-    fprintf(stderr, "ignoring nonexistent directory \"%s\"\n",
-            MappedPath.c_str());
+    llvm::errs() << "ignoring nonexistent directory \""
+                 << MappedPath.str() << "\"\n";
 }