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extend.texi (Attribute Syntax): Clarify details of attributes on parameters.

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* doc/extend.texi (Attribute Syntax): Clarify details of
	attributes on parameters.

From-SVN: r89190
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Joseph Myers 2004-10-18 01:22:27 +01:00 • committed by Joseph Myers
parent eedfbe08e3
commit 7dcb044217
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-10-18 Joseph S. Myers <jsm@polyomino.org.uk>
* doc/extend.texi (Attribute Syntax): Clarify details of
attributes on parameters.
2004-10-17 Zdenek Dvorak <dvorakz@suse.cz> 2004-10-17 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of

9
gcc/doc/extend.texi
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@ -2424,6 +2424,15 @@ declaration as a whole. In the obsolescent usage where a type of
specifiers and qualifiers may be an attribute specifier list with no specifiers and qualifiers may be an attribute specifier list with no
other specifiers or qualifiers. other specifiers or qualifiers.
At present, the first parameter in a function prototype must have some
type specifier which is not an attribute specifier; this resolves an
ambiguity in the interpretation of @code{void f(int
(__attribute__((foo)) x))}, but is subject to change. At present, if
the parentheses of a function declarator contain only attributes then
those attributes are ignored, rather than yielding an error or warning
or implying a single parameter of type int, but this is subject to
change.
An attribute specifier list may appear immediately before a declarator An attribute specifier list may appear immediately before a declarator
(other than the first) in a comma-separated list of declarators in a (other than the first) in a comma-separated list of declarators in a
declaration of more than one identifier using a single list of declaration of more than one identifier using a single list of