c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays for c99.

        * c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays
        for c99.

	* gcc.dg/c90-vla-1.c, gcc.dg/c99-vla-1.c: New.

From-SVN: r52738

gcc/ChangeLog

+2002-04-24  Richard Henderson  <rth@redhat.com>
+
+	PR c/3467
+	* c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays
+	for c99.
+
 Wed Apr 24 21:51:54 2002  J"orn Rennecke <joern.rennecke@superh.com>
 
 	* sh.c (sh_va_arg): If argument was passed by reference,

gcc/c-decl.c

@@ -4381,7 +4381,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
 		     even if it is (eg) a const variable with known value.  */
 		  size_varies = 1;
 
-		  if (pedantic)
+		  if (!flag_isoc99 && pedantic)
 		    {
 		      if (TREE_CONSTANT (size))
 			pedwarn ("ISO C89 forbids array `%s' whose size can't be evaluated",

gcc/testsuite/gcc.dg/c90-vla-1.c

+/* Origin: PR 3467 */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
+
+void
+tdef (int n)
+{
+  typedef int A[n];	/* { dg-error "forbids variable-size array" } */
+  A a;
+  A *p;
+  p = &a;
+}

gcc/testsuite/gcc.dg/c99-vla-1.c

+/* Origin: PR 3467 */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+void
+tdef (int n)
+{
+  typedef int A[n];	/* { dg-bogus "forbids variable-size array" } */
+  A a;
+  A *p;
+  p = &a;
+}