Expand the definition of gnu89 slightly

[Matthew Wilcox]

2003-02-04  Matthew Wilcox  <matthew@wil.cx>

        * c-decl.c: Only warn about multiple const, restrict or volatile
	in -std=c89 mode, not in -std=gnu89.

Index: gcc/c-decl.c
===================================================================
RCS file: /cvsroot/gcc/gcc/gcc/c-decl.c,v
retrieving revision 1.361
diff -u -r1.361 c-decl.c
--- gcc/c-decl.c	24 Jan 2003 15:17:24 -0000	1.361
+++ gcc/c-decl.c	4 Feb 2003 16:13:13 -0000
@@ -3805,12 +3805,15 @@
   restrictp = !! (specbits & 1 << (int) RID_RESTRICT) + TYPE_RESTRICT (type);
   volatilep = !! (specbits & 1 << (int) RID_VOLATILE) + TYPE_VOLATILE (type);
   inlinep = !! (specbits & (1 << (int) RID_INLINE));
-  if (constp > 1 && ! flag_isoc99)
-    pedwarn ("duplicate `const'");
-  if (restrictp > 1 && ! flag_isoc99)
-    pedwarn ("duplicate `restrict'");
-  if (volatilep > 1 && ! flag_isoc99)
-    pedwarn ("duplicate `volatile'");
+  if (flag_iso && ! flag_isoc99)
+    {
+      if (constp > 1)
+	pedwarn ("duplicate `const'");
+      if (restrictp > 1)
+	pedwarn ("duplicate `restrict'");
+      if (volatilep > 1)
+	pedwarn ("duplicate `volatile'");
+    }
   if (! flag_gen_aux_info && (TYPE_QUALS (type)))
     type = TYPE_MAIN_VARIANT (type);
   type_quals = ((constp ? TYPE_QUAL_CONST : 0)

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