1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pragma-message.c b/gcc/testsuite/gcc.dg/pragma-message.c
new file mode 100644
index 0000000..0f9c6bf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pragma-message.c
@@ -0,0 +1,53 @@
+/* Test that #pragma message "..." writes compiler messages. */
+
+#pragma message                  /* { dg-warning "expected a string" } */
+#pragma message 0                /* { dg-warning "expected a string" } */
+#pragma message id               /* { dg-warning "expected a string" } */
+#pragma message (                /* { dg-warning "expected a string" } */
+#pragma message (0               /* { dg-warning "expected a string" } */
+#pragma message (id              /* { dg-warning "expected a string" } */
+#pragma message ()               /* { dg-warning "expected a string" } */
+#pragma message (0)              /* { dg-warning "expected a string" } */
+#pragma message (id)             /* { dg-warning "expected a string" } */
+
+/* gcc prefixes '#pragma message ...' output with filename and line number,
+   then 'note: #pragma message: ', allowing dg-message to check output.
+   If unexpected pragma messages are printed (anything not caught by a
+   matching dg-message), dejagnu will report these as excess errors.  */
+
+#pragma message "
+/* { dg-error "missing terminating" "" { target *-*-* } 18 } */
+/* { dg-warning "expected a string" "" { target *-*-* } 18 } */
+#pragma message "Bad 1
+/* { dg-error "missing terminating" "" { target *-*-* } 21 } */
+/* { dg-warning "expected a string" "" { target *-*-* } 21 } */
+#pragma message ("Bad 2
+/* { dg-error "missing terminating" "" { target *-*-* } 24 } */
+/* { dg-warning "expected a string" "" { target *-*-* } 24 } */
+#pragma message ("Bad 3"
+/* { dg-warning "malformed '#pragma message" "" { target *-*-* } 27 } */
+
+#pragma message "" junk
+/* { dg-warning "junk at end of '#pragma message'" "" { target *-*-* } 30 } */
+
+#pragma message ("") junk
+/* { dg-warning "junk at end of '#pragma message'" "" { target *-*-* } 33 } */
+
+#pragma message ""               /* No output expected for empty messages.  */
+#pragma message ("")
+
+#pragma message "Okay 1"         /* { dg-message "Okay 1" } */
+#pragma message ("Okay 2")       /* { dg-message "Okay 2" } */
+#define THREE "3"
+#pragma message ("Okay " THREE)  /* { dg-message "Okay 3" } */
+
+/* Create a TODO() that prints a message on compilation.  */
+#define DO_PRAGMA(x) _Pragma (#x)
+#define TODO(x) DO_PRAGMA(message ("TODO - " #x))
+TODO(Okay 4)                     /* { dg-message "TODO - Okay 4" } */
+
+#if 0
+#pragma message ("Not printed")
+#endif
+
+int unused;  /* Silence `ISO C forbids an empty translation unit' warning.  */