1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/gomp/macro-4.C b/gcc/testsuite/g++.dg/gomp/macro-4.C
new file mode 100644
index 000000000..9fc45b143
--- /dev/null
+++ b/gcc/testsuite/g++.dg/gomp/macro-4.C
@@ -0,0 +1,29 @@
+// PR preprocessor/27746
+// { dg-do compile }
+// { dg-options "-fopenmp -Wunknown-pragmas" }
+
+#define p		_Pragma ("omp parallel")
+#define omp_p		_Pragma ("omp p")
+
+void bar (void);
+
+void
+foo (void)
+{
+#pragma omp p		// { dg-warning "ignoring #pragma omp _Pragma" }
+    bar ();
+  omp_p			// { dg-warning "ignoring #pragma omp _Pragma" }
+    bar ();
+}
+
+#define parallel	serial
+#define omp_parallel	_Pragma ("omp parallel")
+
+void
+baz (void)
+{
+#pragma omp parallel	// { dg-warning "ignoring #pragma omp serial" }
+    bar ();
+  omp_parallel		// { dg-warning "ignoring #pragma omp serial" }
+    bar ();
+}