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-rw-r--r--clang/lib/Driver/Tools.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 2bbcb27..814eb35 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -9708,6 +9708,10 @@ std::unique_ptr<Command> visualstudio::Compiler::GetCommand(
options::OPT__SLASH_MT, options::OPT__SLASH_MTd))
A->render(Args, CmdArgs);
+ // Pass through all unknown arguments so that the fallback command can see
+ // them too.
+ Args.AddAllArgs(CmdArgs, options::OPT_UNKNOWN);
+
// Input filename.
assert(Inputs.size() == 1);
const InputInfo &II = Inputs[0];