Attachment #185178 for bug #254355




	      error ("nested function %q+D declared but never defined", p);
	      undef_nested_function = true;
	    }
	     }
 	  else if (DECL_DECLARED_INLINE_P (p)
 		   && TREE_PUBLIC (p)
		   && !DECL_INITIAL (p))
	    {
	      /* C99 6.7.4p6: "a function with external linkage... declared
		 with an inline function specifier ... shall also be defined
		 in the same translation unit."  */
	      if (!flag_gnu89_inline)
		pedwarn ("inline function %q+D declared but never defined", p);
	      if (!DECL_EXTERNAL (p))
		DECL_EXTERNAL (p) = 1;
	    }

	  goto common_symbol;





/* PR target/39013 */
/* { dg-do compile { target *-*-linux* } } */
/* { dg-options "-O2 -fpie -std=gnu89" } */

inline int foo (void);
extern inline int bar (void);

int
main (void)
{
  return foo () + bar ();
}

/* { dg-final { scan-assembler "foo@PLT" } } */
/* { dg-final { scan-assembler "bar@PLT" } } */




/* PR target/39013 */
/* { dg-do compile { target *-*-linux* } } */
/* { dg-options "-O2 -fpie -std=gnu99" } */

inline int foo (void);		/* { dg-warning "declared but never defined" } */
extern inline int bar (void);	/* { dg-warning "declared but never defined" } */

int
main (void)
{
  return foo () + bar ();
}

/* { dg-final { scan-assembler "foo@PLT" } } */
/* { dg-final { scan-assembler "bar@PLT" } } */

Return to bug 254355

Lines 779-792 Link Here

(-)gcc/c-decl.c.jj (-8 / +13 lines)
779	error ("nested function %q+D declared but never defined", p);	779	error ("nested function %q+D declared but never defined", p);
780	undef_nested_function = true;	780	undef_nested_function = true;
781	}	781	}
782	/* C99 6.7.4p6: "a function with external linkage... declared	782	}
783	with an inline function specifier ... shall also be defined in the	783	else if (DECL_DECLARED_INLINE_P (p)
784	same translation unit." */	784	&& TREE_PUBLIC (p)
785	else if (DECL_DECLARED_INLINE_P (p)	785	&& !DECL_INITIAL (p))
786	&& TREE_PUBLIC (p)	786	{
787	&& !DECL_INITIAL (p)	787	/* C99 6.7.4p6: "a function with external linkage... declared
788	&& !flag_gnu89_inline)	788	with an inline function specifier ... shall also be defined
789	pedwarn ("inline function %q+D declared but never defined", p);	789	in the same translation unit." */
		790	if (!flag_gnu89_inline)
		791	pedwarn ("inline function %q+D declared but never defined", p);
		792	if (!DECL_EXTERNAL (p))
		793	DECL_EXTERNAL (p) = 1;
		794	}
790		795
791	goto common_symbol;	796	goto common_symbol;
792		797

Line 0 Link Here

(-)gcc/testsuite/gcc.target/i386/pr39013-1.c.jj (+15 lines)
	1	/* PR target/39013 */
	2	/* { dg-do compile { target --linux* } } */
	3	/* { dg-options "-O2 -fpie -std=gnu89" } */
	4
	5	inline int foo (void);
	6	extern inline int bar (void);
	7
	8	int
	9	main (void)
	10	{
	11	return foo () + bar ();
	12	}
	13
	14	/* { dg-final { scan-assembler "foo@PLT" } } */
	15	/* { dg-final { scan-assembler "bar@PLT" } } */