gcc/testsuite/gcc.dg/Wshadow-1.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-Wshadow -pedantic-errors" } */
   5
   6 /* Source: Neil Booth, 5 Dec 2001.  */
   7
   8 int decl1;                      /* { dg-warning "shadowed declaration" } */
   9 void foo (double decl1)         /* { dg-warning "shadows a global decl" } */
  10 {
  11 }
  12
  13 void foo1 (int d)               /* { dg-warning "previous declaration" } */
  14 {
  15   double d;      /* { dg-bogus "warning" "warning in place of error" } */
  16   /* { dg-error "redeclared as different" "" { target *-*-* } 15 } */
  17 }
  18
  19 void foo2 (int d)               /* { dg-warning "shadowed declaration" } */
  20 {
  21   {
  22     double d;                   /* { dg-warning "shadows a parameter" } */
  23   }
  24 }
  25
  26 void foo3 ()
  27 {
  28   int local;                    /* { dg-warning "shadowed declaration" } */
  29   {
  30     int local;                  /* { dg-warning "shadows a previous local" } */
  31   }
  32 }