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Amend attribute used documentation (PR other/58467)

Message ID 20130919143620.GH15960@redhat.com
State New
Headers show

Commit Message

Marek Polacek Sept. 19, 2013, 2:36 p.m. UTC 
__attribute__((used)) is meant to be used only on VAR_DECLs that are
TREE_STATIC, but the documentation does not say that.  Thus fixed.

Ok?

2013-09-19  Marek Polacek  <polacek@redhat.com>

	PR other/58467
	* doc/extend.texi: Document that attribute used is meant to be used
	on variables with static storage duration.


	Marek

Comments

Ian Lance Taylor Sept. 19, 2013, 11:25 p.m. UTC | #1 
On Thu, Sep 19, 2013 at 7:36 AM, Marek Polacek <polacek@redhat.com> wrote:
> __attribute__((used)) is meant to be used only on VAR_DECLs that are
> TREE_STATIC, but the documentation does not say that.  Thus fixed.
>
> Ok?
>
> 2013-09-19  Marek Polacek  <polacek@redhat.com>
>
>         PR other/58467
>         * doc/extend.texi: Document that attribute used is meant to be used
>         on variables with static storage duration.

This is OK.  Thanks.

Ian
diff mbox

Patch

--- gcc/doc/extend.texi.mp	2013-09-19 16:22:16.214492101 +0200
+++ gcc/doc/extend.texi	2013-09-19 16:35:19.874041331 +0200
@@ -4891,8 +4891,9 @@  to be possibly unused.  GCC does not pro
 variable.
 
 @item used
-This attribute, attached to a variable, means that the variable must be
-emitted even if it appears that the variable is not referenced.
+This attribute, attached to a variable with static storage duration, means
+that the variable must be emitted even if it appears that the variable is
+not referenced.
 
 When applied to a static data member of a C++ class template, the
 attribute also means that the member is instantiated if the