20000720-1.S: Remove duplicate testcase.

        * gcc.dg/cpp/20000720-1.S: Remove duplicate testcase.
        * gcc.dg/cpp/poison.c: Update.
        * gcc.dg/cpp/spacing1.c: New testcase for all spacing issues.

From-SVN: r37928

gcc/testsuite/ChangeLog

+2000-12-01  Neil Booth  <neilb@earthling.net>
+
+        * gcc.dg/cpp/20000720-1.S: Remove duplicate testcase.
+        * gcc.dg/cpp/poison.c: Update.
+        * gcc.dg/cpp/spacing1.c: New testcase for all spacing issues.
+
 2000-12-01  Toon Moene  <toon@moene.indiv.nluug.nl>
 
 	* g77.f-torture/execute/20001201.f: New test.

gcc/testsuite/gcc.dg/cpp/20000720-1.S

-/* { dg-do preprocess } */
-
-#define nop()		foobar
-	 nop
-	call b
-
-/*
-   { dg-final { if ![file exists 20000720-1.i] { return }         } }
-   { dg-final { if \{ [grep 20000720-1.i "nop.*call"] != "" \} \{ } }
-   { dg-final {     fail "20000720-1.S: new-line preservation"    } }
-   { dg-final { \} else \{                                        } }
-   { dg-final {     pass "20000720-1.S: new-line preservation"    } }
-   { dg-final { \}                                                } }
-*/

gcc/testsuite/gcc.dg/cpp/poison.c

@@ -15,10 +15,10 @@ foo5			/* { dg-error "foo5" "use of foo5" } */
 #define foo6 345	/* { dg-error "foo6" "def of foo6" } */
 #define foo6 456	/* { dg-error "foo6" "redef of foo6" } */
 #ifdef foo6		/* { dg-error "foo6" "#ifdef foo6" } */
-#error hey!  foo6 poisoned!
+#error hey!  foo6 poisoned! /* { dg-error "foo6" "poisoned identifiers" } */
 #endif
 #if defined(foo6)	/* { dg-error "foo6" "#if defined foo6" } */
-#error no, foo6 still poisoned!
+#error foo6 still poisoned! /* { dg-error "foo6" "poisoned identifiers" } */
 #else
 foo6			/* { dg-error "foo6" "use of foo6" } */
 #endif

gcc/testsuite/gcc.dg/cpp/spacing1.c

+/* Copyright (C) 2000 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+
+/* This tests correct spacing of macro expansion output, as well as
+   the line it falls on.  This is quite subtle; it involves newlines
+   within macro arguments becoming spaces, but not if it turns out to
+   not be a macro invocation.  Also, multiple macro invocations spread
+   across many lines.
+
+   Neil Booth, 1 Dec 2000.  */
+
+#define str(x) #x
+#define f(x) x
+
+/* The correct output is shown here.  Note the spaces, and the way
+   everything after the invocation of f appears on the same line.
+
+f
+bar
+g "1 2" bam baz
+
+*/
+
+f
+bar
+f (g) str
+(
+1
+2
+) f
+(bam) baz
+
+/*
+   { dg-final { if ![file exists spacing1.i] { return }                   } }
+   { dg-final { if \{ [grep spacing1.i "f.*bar"] == "" \} \{              } }
+   { dg-final { if \{ [grep spacing1.i "^bar"] != "" \}   \{              } }
+   { dg-final { if \{ [grep spacing1.i "g \"1 2\" bam baz"] != "" \} \{   } }
+   { dg-final { return \} \} \}                                           } }
+   { dg-final { fail "spacing1.c: spacing and new-line preservation"      } }
+*/