Index: llvm-toolchain-snapshot_3.5~svn201231/clang/lib/Driver/ToolChains.cpp
===================================================================
--- llvm-toolchain-snapshot_3.5~svn201231.orig/clang/lib/Driver/ToolChains.cpp	2014-02-12 13:12:51.069836368 +0100
+++ llvm-toolchain-snapshot_3.5~svn201231/clang/lib/Driver/ToolChains.cpp	2014-02-12 13:12:51.065836368 +0100
@@ -3239,6 +3239,11 @@
   const Multilib &Multilib = GCCInstallation.getMultilib();
   const GCCVersion &Version = GCCInstallation.getVersion();
 
+#ifdef __i386__
+  // clang does not detect this path: /usr/include/i386-linux-gnu/c++/4.8/ Help him
+  addLibStdCXXIncludePaths( "/usr/include/", "/c++/" + Version.str(), "i386-linux-gnu", GCCInstallation.getMultiarchSuffix(), DriverArgs, CC1Args);
+#endif
+
   if (addLibStdCXXIncludePaths(LibDir.str() + "/../include",
                                "/c++/" + Version.Text, TripleStr,
                                Multilib.includeSuffix(), DriverArgs, CC1Args))