Multi-line token test

[Neil Booth]

I realised it's not too hard to devise a test for this.

Neil.

	* gcc.dg/cpp/multiline.c: New test.

Index: gcc.dg/cpp/multiline.c
===================================================================
RCS file: multiline.c
diff -N multiline.c
--- /dev/null	Tue May  5 13:32:27 1998
+++ multiline.c	Sun Dec 17 06:31:28 2000
@@ -0,0 +1,24 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.  */
+/* { dg-do preprocess } */
+/* { dg-options "-C" } */
+/* Test that multi-line tokens are recognised by cpp0 as being
+   multiline .  Source: Neil Booth, 17 Dec 2000.  */
+/* Line 1
+   Line 2
+   Line 3
+   Line 4
+*/
+"line 1
+ line 2
+ line 3
+ line 4"
+L"line 1
+  line 2
+  line 3
+  line 4"
+/* Nowhere in the output of this file should there be a blank line.
+   We check for that in the .i file.
+   { dg-final { if ![file exists multiline.i] { return }                } }
+   { dg-final { if \{ [grep multiline.i "^$"] == "" \} \{               } }
+   { dg-final { return \}                                               } }
+   { dg-final { fail "multiline.c: multi-line tokens"                   } } */