OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [Wunused-value-1.c] - Rev 316

Go to most recent revision | Compare with Previous | Blame | View Log

/* Test -Wunused-value.  Bug 23113.  */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "-Wunused-value" } */
 
int f (void);
void g (void);
int *p;
 
void
h (void)
{
  1 + f (); /* { dg-warning "value computed is not used" } */
  f () + f (); /* { dg-warning "value computed is not used" } */
  f () + f (), f (); /* { dg-warning "value computed is not used" } */
  (char) f (); /* { dg-warning "value computed is not used" } */
  g ();
  f ();
  (void) f ();
  *p++; /* { dg-warning "value computed is not used" } */
  ++*p;
  (*p ? f() : 0);
  ({ f(); });
  /* Statement expressions may be used in macro expansions which like
     functions return values which may or may not be of use, so don't
     warn for them but do warn inside them.  */
  ({ f() + 1; });
  ({ f(); 0; });
  ({ f() + 1; 0; }); /* { dg-warning "value computed is not used" } */
  1 + ({ f(); }); /* { dg-warning "value computed is not used" } */
}
 

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.