Attachment #180327 for bug #254355




	      error ("nested function %q+D declared but never defined", p);
	      undef_nested_function = true;
	    }
	  /* C99 6.7.4p6: "a function with external linkage... declared
	     with an inline function specifier ... shall also be defined in the
	     same translation unit."  */
	  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 (input_location, 0,
			 "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 781-794 pop_scope (void) Link Here

(-)gcc/c-decl.c.jj (-6 / +11 lines)
781	error ("nested function %q+D declared but never defined", p);	781	error ("nested function %q+D declared but never defined", p);
782	undef_nested_function = true;	782	undef_nested_function = true;
783	}	783	}
784	/* C99 6.7.4p6: "a function with external linkage... declared
785	with an inline function specifier ... shall also be defined in the
786	same translation unit." */
787	else if (DECL_DECLARED_INLINE_P (p)	784	else if (DECL_DECLARED_INLINE_P (p)
788	&& TREE_PUBLIC (p)	785	&& TREE_PUBLIC (p)
789	&& !DECL_INITIAL (p)	786	&& !DECL_INITIAL (p))
790	&& !flag_gnu89_inline)	787	{
791	pedwarn ("inline function %q+D declared but never defined", p);	788	/* C99 6.7.4p6: "a function with external linkage... declared
		789	with an inline function specifier ... shall also be defined
		790	in the same translation unit." */
		791	if (!flag_gnu89_inline)
		792	pedwarn (input_location, 0,
		793	"inline function %q+D declared but never defined", p);
		794	if (!DECL_EXTERNAL (p))
		795	DECL_EXTERNAL (p) = 1;
		796	}
792		797
793	goto common_symbol;	798	goto common_symbol;
794		799

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" } } */