Index: tools/clang/lib/Frontend/InitHeaderSearch.cpp
===================================================================
--- tools/clang/lib/Frontend/InitHeaderSearch.cpp	(révision 119347)
+++ tools/clang/lib/Frontend/InitHeaderSearch.cpp	(révision 119348)
@@ -745,6 +745,11 @@
         "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.3/include/g++-v4",
         "x86_64-pc-linux-gnu", "32", "", triple);
 
+    // Gentoo amd64 gcc 4.4.4
+    AddGnuCPlusPlusIncludePaths(
+        "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.4/include/g++-v4",
+        "x86_64-pc-linux-gnu", "32", "", triple);
+
     // Gentoo amd64 llvm-gcc trunk
     AddGnuCPlusPlusIncludePaths(
         "/usr/lib/llvm-gcc-4.2-9999/include/c++/4.2.1",