add gentoo 2009.0 g++ header locations

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77158 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 8c80786..a134c0d 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -170,7 +170,15 @@
     AddPath("/usr/include/c++/4.3.1/x86_64-unknown-linux-gnu", System, true,
         false, false);
 
-    // Gentoo x86 stable
+    // Gentoo x86 2009.0 stable
+    AddPath("/usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4", System,
+            true, false, false);
+    AddPath("/usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4/"
+            "i686-pc-linux-gnu", System, true, false, false);
+    AddPath(" /usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4/backward",
+            System, true, false, false);
+
+    // Gentoo x86 2008.0 stable
     AddPath("/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4", System,
             true, false, false);
     AddPath("/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4/"