Wshadow-3.c: Restore original content destroyed by r148442.

2011-08-25  Richard Guenther  <rguenther@suse.de>

	* gcc.dg/Wshadow-3.c: Restore original content destroyed by r148442.

From-SVN: r178061

gcc/testsuite/ChangeLog

+2011-08-25  Richard Guenther  <rguenther@suse.de>
+
+	* gcc.dg/Wshadow-3.c: Restore original content destroyed by r148442.
+
 2011-08-24  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/50163

gcc/testsuite/gcc.dg/Wshadow-3.c

-/* PR middle-end/36902 Array bound warning with dead code after optimization */
+/* Test warnings for shadowing in function prototype scope: generally
+   useless but of use if the parameter is used within the scope.  Bug
+   529.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
 /* { dg-do compile } */
-/* { dg-options "-O2 -Warray-bounds -Wall -Wextra" } */
-typedef unsigned char __u8;
-typedef unsigned short __u16;
-
-static inline unsigned char *
-foo(unsigned char * to, const unsigned char * from, int n)
-{
-  switch ( n )
-    {
-    case 3:
-      *to = *from;
-      break;
-    case 5:
-      to[4] = from [4];
-      break;
-    }
-  return to;
-}
-
-struct {
-  int    size_of_select;
-  unsigned char pcr_select[4];
-} sel;
-
-int bar(void)
-{
-  static unsigned char buf[64];
-
-  sel.size_of_select = 3;
-  foo(buf, sel.pcr_select, sel.size_of_select);
-
-  return 1;
-}
-
-
-static inline unsigned char *
-foo2(unsigned char * to, const unsigned char * from, int n)
-{
-  switch ( n )
-    {
-    case 3:
-      *to = *from;
-      break;
-    case 5:
-      to[63] = from [111]; /* { dg-warning "array subscript is above array bounds" } */
-      break;
-    }
-  return to;
-}
-
-int baz(void)
-{
-  static unsigned char buf[64];
-
-  sel.size_of_select = 5;
-  foo2(buf, sel.pcr_select, sel.size_of_select);
-
-  return 1;
-}
+/* { dg-options "-std=gnu89 -Wshadow" } */
+
+int v; /* { dg-warning "shadowed declaration" } */
+int f1(int v);
+int f2(int v, int x[v]); /* { dg-warning "declaration of 'v' shadows a global declaration" } */
+int f3(int v, int y[sizeof(v)]); /* { dg-warning "declaration of 'v' shadows a global declaration" } */
+int f4(int v) { return 0; } /* { dg-warning "declaration of 'v' shadows a global declaration" } */
+int f5(int v, int x[v]) { return 0; } /* { dg-warning "declaration of 'v' shadows a global declaration" } */
+int f6(int x) { return 0; }
+int f7(v) int v; { return 0; } /* { dg-warning "declaration of 'v' shadows a global declaration" } */
+int f8(v, w) int v; int w[v]; { return 0; } /* { dg-warning "declaration of 'v' shadows a global declaration" } */
+int f9(x) int x; { return 0; }
+int f10(v) { return 0; } /* { dg-warning "declaration of 'v' shadows a global declaration" } */
+int f11(int a, int b(int a));
+int f12(int a, int b(int a, int x[a])); /* { dg-warning "declaration of 'a' shadows a parameter" } */
+/* { dg-warning "shadowed declaration" "outer parm" { target *-*-* } 20 } */