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-rw-r--r--lib/Driver/Tools.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 98c2d28a9c..24f88d9eb5 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -403,6 +403,8 @@ void Clang::AddPreprocessingOptions(const Driver &D,
Args.AddAllArgs(CmdArgs, options::OPT_fauto_module_import);
// Parse additional include paths from environment variables.
+ // FIXME: We should probably sink the logic for handling these from the
+ // frontend into the driver. It will allow deleting 4 otherwise unused flags.
// CPATH - included following the user specified includes (but prior to
// builtin and standard includes).
AddIncludeDirectoryList(Args, CmdArgs, "-I", ::getenv("CPATH"));