1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/_Pragma1.c b/gcc/testsuite/gcc.dg/cpp/_Pragma1.c
new file mode 100644
index 000000000..0f211a985
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/_Pragma1.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+
+/* Tests the _Pragma operator.  Contributed by Neil Booth 1 Nov 2000.  */
+
+/* Within the preprocessor, the easy pragma to test is "poison".  */
+
+#pragma GCC poison p1
+p1				/* { dg-error "poisoned" } */
+
+/* Standard use of _Pragma.  */
+_Pragma ("GCC poison p2")
+p2				/* { dg-error "poisoned" } */
+
+/* Don't interpret _Pragmas in directives.  The standard is not clear
+   on this, but I think this makes most sense.  */
+#if 1 _Pragma (L"GCC poison p3") /* { dg-error "missing binary operator" } */
+p3
+#endif
+
+#define M1 _Pragma ("GCC poison p4")
+p4				/* No problem; not yet poisoned.  */
+#define M2(x) _Pragma (#x)
+
+/* Now test macro expansion with embedded _Pragmas.  */
+M1 p4				/* { dg-error "poisoned" } */
+M2 (GCC poison p5) p5		/* { dg-error "poisoned" } */
+
+/* Not interpreting _Pragma in directives means they don't nest.  */
+_Pragma ("_Pragma (\"GCC poison p6\") GCC poison p7")
+p6
+p7
+
+/* Check we ignore them in false conditionals.  */
+#if 0
+_Pragma ("GCC poison p8")
+#endif
+p8				/* No problem.  */