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/*
  { dg-options "-Wuninitialized -ftrack-macro-expansion=2" }
  { dg-do compile }
*/
 
void f (unsigned);
 
#define CODE_WITH_WARNING \
  int a; /* { dg-message "expansion|declared here" } */  \
  f (a)	 /* { dg-message "expansion" } */
 
#pragma GCC diagnostic ignored "-Wuninitialized"
 
void
g (void)
{
  CODE_WITH_WARNING;
}
 
#pragma GCC diagnostic push
 
#pragma GCC diagnostic error "-Wuninitialized"
 
void
h (void)
{
  CODE_WITH_WARNING;		/* { dg-message "expanded" } */
}
 
/*
  { dg-message "some warnings being treated as errors" "" {target *-*-*} 0 }
*/
 
/* { dg-error "uninitialized" "" { target *-*-* } { 10 } } */