Add support for Fedora16, gcc 4.6.0 and Fedora Rawhide.

Patch by Bobby Powers


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129014 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 78634d8..26d0b36 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -681,6 +681,11 @@
     //===------------------------------------------------------------------===//
     // Redhat based distros.
     //===------------------------------------------------------------------===//
+    // Fedora 15
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.0",
+                                "x86_64-redhat-linux", "32", "", triple);
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.0",
+                                "i686-redhat-linux", "", "", triple);
     // Fedora 14
     AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.1",
                                 "x86_64-redhat-linux", "32", "", triple);