linux下的gcc编译器

				/* Test for printf formats.  Formats using C99 features should be rejected				   outside of C99 mode.				*/				/* Origin: Joseph Myers  */				/* { dg-do compile } */				/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */								#include "format.h"								void				foo (int i, double d, llong ll, intmax_t j, size_t z, ptrdiff_t t)				{				  /* Some tests already in c90-printf-1.c, e.g. %lf.  */				  /* The widths hh, ll, j, z, t are new.  */				  printf ("%hhd", i); /* { dg-warning "length|C" "%hh in C90" } */				  printf ("%lld", ll); /* { dg-warning "length|C" "%ll in C90" } */				  printf ("%jd", j); /* { dg-warning "length|C" "%j in C90" } */				  printf ("%zu", z); /* { dg-warning "length|C" "%z in C90" } */				  printf ("%td", t); /* { dg-warning "length|C" "%t in C90" } */				  /* The formats F, a, A are new.  */				  printf ("%F", d); /* { dg-warning "C" "%F in C90" } */				  printf ("%a", d); /* { dg-warning "C" "%a in C90" } */				  printf ("%A", d); /* { dg-warning "C" "%A in C90" } */				}