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diff --git a/test/Driver/claim-unused.c b/test/Driver/claim-unused.c
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+// RUN: touch %t.o
+// RUN: %clang --param ssp-buffer-size=1 %t.o -### 2>&1 | FileCheck %s
+// CHECK-NOT: warning: argument unused during compilation: '--param ssp-buffer-size=1'
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