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diff --git a/test/Frontend/gnu-inline.c b/test/Frontend/gnu-inline.c
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+// RUN: %clang_cc1 -std=c89 -fsyntax-only -x c -E -dM %s | FileCheck --check-prefix=GNU-INLINE %s
+// RUN: %clang_cc1 -std=c99 -fsyntax-only -x c -E -dM %s | FileCheck --check-prefix=STDC-INLINE %s
+// RUN: %clang_cc1 -std=c99 -fgnu89-inline -fsyntax-only -x c -E -dM %s | FileCheck --check-prefix=GNU-INLINE %s
+// RUN: %clang_cc1 -fsyntax-only -x c++ -E -dM %s | FileCheck --check-prefix=GNU-INLINE %s
+// RUN: not %clang_cc1 -fgnu89-inline -fsyntax-only -x c++ %s 2>&1 | FileCheck --check-prefix=CXX %s
+
+// CXX: '-fgnu89-inline' not allowed with 'C++/ObjC++'
+
+// STDC-INLINE-NOT: __GNUC_GNU_INLINE__
+// STDC-INLINE: #define __GNUC_STDC_INLINE__ 1
+// STDC-INLINE-NOT: __GNUC_GNU_INLINE__
+
+// GNU-INLINE-NOT: __GNUC_STDC_INLINE__
+// GNU-INLINE: #define __GNUC_GNU_INLINE__ 1
+// GNU-INLINE-NOT: __GNUC_STDC_INLINE__
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