cmdlne-C.c: Update.

	* gcc.dg/cpp/cmdlne-C.c: Update.
	* gcc.dg/cpp/cmdlne-C2.c: New.

From-SVN: r46115

gcc/testsuite/ChangeLog

+2001-10-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+	* gcc.dg/cpp/cmdlne-C.c: Update.
+	* gcc.dg/cpp/cmdlne-C2.c: New.
+
 2001-10-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 
 	* gcc.c-torture/execute/20011008-3.c: New.

gcc/testsuite/gcc.dg/cpp/cmdlne-C.c

@@ -29,3 +29,9 @@ fun_like (foo, bar)
 
 /* Check OK to redefine fun_like without comments in the params.  */
 #define fun_like(x, y)/**/
+
+/* Check comments in macros in directives are OK.  */
+#define ZERO 0 /* A trailing comment.  */
+
+#if ZERO
+#endif

gcc/testsuite/gcc.dg/cpp/cmdlne-C2.c

+/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-C" } */
+
+/* This tests that C++ comments are either dropped, or converted to C
+   comments in macro expansions.  The + in the regexp stops it from
+   matching itself 8-)
+
+   Neil Booth, 9 Oct 2001.  */
+
+#define ZERO 0 // A comment
+
+ZERO:
+
+/*
+   { dg-final { if ![file exists cmdlne-C2.i] { return }                  } }
+   { dg-final { if { [grep cmdlne-C2.i "c+omment:"] == "" } { return }    } }
+   { dg-final { fail "cmdlne-C2.i: C++ comments in macros with -C"        } }
+*/
+