Debian sid moved these headers into /4.4 and left /4.4.3 as a symlink. Update.
Also, add support for 32-bit x86 Debian sid.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97347 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 2e0b4bd..34cb9ec 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -489,8 +489,10 @@
     AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3",
                                 "i686-pc-linux-gnu", "", "", triple);
     // Debian sid
-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2",
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4",
                                 "x86_64-linux-gnu", "32", "", triple);
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4",
+                                "i486-linux-gnu", "64", "", triple);
     // Ubuntu 7.10 - Gutsy Gibbon
     AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.3",
                                 "i486-linux-gnu", "", "", triple);