Add some support for RHEL5 systems.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131505 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 36a81e8..22c114c 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -744,6 +744,13 @@
                                 "x86_64-redhat-linux", "", "", triple);
     AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2",
                                 "i386-redhat-linux", "", "", triple);
+      
+    // RHEL 5
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.1",
+                                "x86_64-redhat-linux", "32", "", triple);
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.1",
+                                "i386-redhat-linux", "", "", triple);
+
 
     //===------------------------------------------------------------------===//