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diff --git a/flang/test/Parser/inline-directives.f90 b/flang/test/Parser/inline-directives.f90
new file mode 100644
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+++ b/flang/test/Parser/inline-directives.f90
@@ -0,0 +1,29 @@
+! RUN: %flang_fc1 -fdebug-unparse %s 2>&1 | FileCheck %s
+
+! Test that checks whether compiler directives can be inlined without mistaking it as comment.
+
+module m
+contains
+#define MACRO(X)  subroutine func1(X); real(2) :: X; !dir$ ignore_tkr(d) X; end subroutine func1;
+MACRO(foo)
+
+!CHECK: SUBROUTINE func1 (foo)
+!CHECK: !DIR$ IGNORE_TKR (d) foo
+!CHECK: END SUBROUTINE func1
+
+  subroutine func2(foo)
+    real(2) :: foo; !dir$ ignore_tkr(d) foo;
+  end subroutine func2
+
+!CHECK: SUBROUTINE func2 (foo)
+!CHECK: !DIR$ IGNORE_TKR (d) foo
+!CHECK: END SUBROUTINE func2
+
+  subroutine func3(foo)
+    real(2) :: foo; !dir$ ignore_tkr(d) foo; end subroutine func3;
+
+!CHECK: SUBROUTINE func3 (foo)
+!CHECK: !DIR$ IGNORE_TKR (d) foo
+!CHECK: END SUBROUTINE func3
+
+end module