OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

decl.c (add_binding): Handle duplicate declarations of external variables.

Browse Source 
* decl.c (add_binding): Handle duplicate declarations of external
	variables.

From-SVN: r34489
This commit is contained in:
Mark Mitchell 2000-06-11 04:08:31 +00:00 committed by Mark Mitchell
parent 82a362d0a4
commit 7b176381ec
3 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/cp/ChangeLog
View File

@ -1,3 +1,8 @@
2000-06-10 Mark Mitchell <mark@codesourcery.com>
* decl.c (add_binding): Handle duplicate declarations of external
variables.
2000-06-09 Chip Salzenberg <chip@valinux.com> 2000-06-09 Chip Salzenberg <chip@valinux.com>
Mark Mitchell <mark@codesourcery.com> Mark Mitchell <mark@codesourcery.com>

10
gcc/cp/decl.c
View File

@ -1032,6 +1032,16 @@ add_binding (id, decl)
the name of any type declared in that scope to refer to the the name of any type declared in that scope to refer to the
type to which it already refers. */ type to which it already refers. */
ok = 0; ok = 0;
/* There can be two block-scope declarations of the same variable,
so long as they are `extern' declarations. */
else if (TREE_CODE (decl) == VAR_DECL
&& TREE_CODE (BINDING_VALUE (binding)) == VAR_DECL
&& DECL_EXTERNAL (decl)
&& DECL_EXTERNAL (BINDING_VALUE (binding)))
{
duplicate_decls (decl, BINDING_VALUE (binding));
ok = 0;
}
else else
{ {
cp_error ("declaration of `%#D'", decl); cp_error ("declaration of `%#D'", decl);

10
gcc/testsuite/g++.old-deja/g++.other/decl8.C Normal file
View File

@ -0,0 +1,10 @@
// Build don't link:
// Origin: Sergei Organov <osv@javad.ru>
void foo(void)
{
extern int i; // ERROR - previous declaration
extern double i; // ERROR - conflicting type
extern int j;
extern int j;
}