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re PR other/58467 (Documentation of the "used" variable attribute needs additional information)

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2013-09-20  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.

From-SVN: r202764
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Marek Polacek 2013-09-20 06:08:44 +00:00 • committed by Marek Polacek
parent aeca9c2e75
commit 87fccdbba5
2 changed files with 9 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-09-20 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.
2013-09-19 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/58472

5
gcc/doc/extend.texi
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@ -4891,8 +4891,9 @@ to be possibly unused. GCC does not produce a warning for this
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 the static storage, 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