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invoke.texi (Warning Options): Add -Wnon-template-friend documentation.

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�
Thu Sep  3 18:17:34 1998 Benjamin Kosnik  <bkoz@cygnus.com>
	* invoke.texi (Warning Options): Add -Wnon-template-friend
 	documentation.
g++/17054

From-SVN: r22216
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Benjamin Kosnik 1998-09-03 16:09:01 +00:00 committed by Benjamin Kosnik
parent a3a1dbf679
commit d67343c9e1
2 changed files with 28 additions and 5 deletions
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@ -1,3 +1,8 @@
Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
* invoke.texi (Warning Options): Add -Wnon-template-friend
documentation.
Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
* rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.

28
gcc/invoke.texi
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@ -124,11 +124,11 @@ in the following sections.
-Wlarger-than-@var{len} -Wlong-long
-Wmain -Wmissing-declarations
-Wmissing-prototypes -Wmultichar -Wnested-externs -Wno-import
-Wold-style-cast -Woverloaded-virtual -Wparentheses
-Wpointer-arith -Wredundant-decls -Wreorder -Wreturn-type
-Wshadow -Wsign-compare -Wstrict-prototypes -Wswitch
-Wsynth -Wtemplate-debugging -Wtraditional -Wtrigraphs
-Wundef -Wuninitialized -Wunused -Wwrite-strings
-Wno-non-template-friend -Wold-style-cast -Woverloaded-virtual
-Wparentheses -Wpointer-arith -Wredundant-decls -Wreorder
-Wreturn-type -Wshadow -Wsign-compare -Wstrict-prototypes
-Wswitch -Wsynth -Wtemplate-debugging -Wtraditional
-Wtrigraphs -Wundef -Wuninitialized -Wunused -Wwrite-strings
-Wunknown-pragmas
@end smallexample
@ -1184,6 +1184,8 @@ have meanings only for C++ programs:
Do not assume @samp{inline} for functions defined inside a class scope.
@xref{Optimize Options,,Options That Control Optimization}.
@item -Wno-non-template-friend
@xref{Warning Options,,Options to Request or Suppress Warnings}.
@item -Wold-style-cast
@itemx -Woverloaded-virtual
@itemx -Wtemplate-debugging
@ -1675,6 +1677,22 @@ cases where multiple declaration is valid and changes nothing.
@item -Wnested-externs
Warn if an @code{extern} declaration is encountered within an function.
@item -Wno-non-template-friend
Disable warnings when non-templatized friend functions are declared
within a template. With the advent of explicit template specification
support in g++, if the name of the friend is an unqualified-id (ie,
@samp{friend foo(int)}), the C++ language specification demands that the
friend declare or define an ordinary, nontemplate function. (Section
14.5.3). Before g++ implemented explicit specification, unqualified-ids
could be interpreted as a particular specialization of a templatized
function. Because this non-conforming behavior is no longer the default
behavior for g++, @samp{-Wnon-template-friend} allows the compiler to
check existing code for potential trouble spots, and is on by default.
This new compiler behavior can also be turned off with the flag
@samp{-fguiding-decls}, which activates the older, non-specification
compiler code, or with @samp{-Wno-non-template-friend} which keeps the
conformant compiler code but disables the helpful warning.
@item -Winline
Warn if a function can not be inlined, and either it was declared as inline,
or else the @samp{-finline-functions} option was given.