lineflags.c: New tests.

        * gcc.dg/cpp/lineflags.c: New tests.
        * gcc.dg/cpp/poison.c: Update.
        * gcc.dg/cpp/redef2.c: Update.
        * gcc.dg/cpp/skipping.c: New test.

From-SVN: r38151

gcc/testsuite/ChangeLog

+2000-12-09  Neil Booth  <neilb@earthling.net>
+
+        * gcc.dg/cpp/lineflags.c: New tests.
+        * gcc.dg/cpp/poison.c: Update.
+        * gcc.dg/cpp/redef2.c: Update.   
+        * gcc.dg/cpp/skipping.c: New test. 
+
 2000-12-07  Geoffrey Keating  <geoffk@redhat.com>
 
 	* g++.old-deja/g++.other/eh3.C: New testcase.

gcc/testsuite/gcc.dg/cpp/lineflags.c

+/* Copyright (C) 2000 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-fno-show-column" } */
+
+/* This tests whether various combinations of flags are correctly
+   accepted after #line.
+
+   Neil Booth, 8 Dec 2000.  */
+
+#line 12 "file" 3		/* { dg-warning "extra tokens" } */
+
+# 14 "file" 1 1			/* { dg-error "invalid flag" } */
+# 15 "file" 1 2			/* { dg-error "invalid flag" } */
+# 16 "file" 1 3 3		/* { dg-error "invalid flag" } */
+# 17 "file" 1 4			/* { dg-error "invalid flag" } */
+# 18 "file" 2 3 4 4		/* { dg-error "invalid flag" } */
+# 19 "file" 2 4			/* { dg-error "invalid flag" } */
+# 20 "file" 2 2			/* { dg-error "invalid flag" } */
+# 21 "file" 2 1			/* { dg-error "invalid flag" } */
+# 22 "file" 4			/* { dg-error "invalid flag" } */
+# 23 "file" 4 5			/* { dg-error "invalid flag" } */
+# 24 "file" 0			/* { dg-error "invalid flag" } */
+# 25 "file" 5			/* { dg-error "invalid flag" } */
+# 26 "file" foo			/* { dg-error "invalid flag" } */
+
+
+# 29 "file" 1			/* { dg-bogus "invalid flag" } */
+# 30 "file" 2			/* { dg-bogus "invalid flag" } */
+# 31 "file" 1 3			/* { dg-bogus "invalid flag" } */
+# 32 "file" 2 3			/* { dg-bogus "invalid flag" } */
+# 33 "file" 1 3 4		/* { dg-bogus "invalid flag" } */
+# 34 "file" 2 3	4		/* { dg-bogus "invalid flag" } */
+# 35 "file" 3			/* { dg-bogus "invalid flag" } */
+# 36 "file" 3 4			/* { dg-bogus "invalid flag" } */

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! /* { dg-error "foo6" "poisoned identifiers" } */
+#error hey! foo6 defined!
 #endif
 #if defined(foo6)	/* { dg-error "foo6" "#if defined foo6" } */
-#error foo6 still poisoned! /* { dg-error "foo6" "poisoned identifiers" } */
+#error foo6 still defined!
 #else
 foo6			/* { dg-error "foo6" "use of foo6" } */
 #endif

gcc/testsuite/gcc.dg/cpp/redef2.c

@@ -26,5 +26,5 @@
    { dg-warning "previous"  "prev def ro"   { target *-*-* } 11 }
    { dg-warning "previous"  "prev def va"   { target *-*-* } 14 }
 
-   { dg-warning "named variable"   "named"  { target *-*-* } 14 }
-   { dg-warning "anonymous variable" "anon" { target *-*-* } 15 } */ 
+   { dg-warning "named var" "named variadic"  { target *-*-* } 14 }
+   { dg-warning "anonymous var" "anon variadic" { target *-*-* } 15 } */ 

gcc/testsuite/gcc.dg/cpp/skipping.c

@@ -18,3 +18,8 @@ F(			/* No diagnostic: don't even try to expand it.  */
 #else
 #error Macros not expanded in #elif
 #endif
+
+/* Check we don't warn about bad identifiers when skipping.  */
+#if 0
+#define foo __VA_ARGS__	/* { dg-bogus "warned about identifier" } */
+#endif