procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

* c.opt (-fdeduce-init-list): Off by default.

Browse source 
From-SVN: r180728
This commit is contained in:
Jason Merrill 2011-11-01 00:02:56 -04:00 • committed by Jason Merrill
parent a7d5d7e221
commit 15694fdd6d
4 changed files with 12 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
gcc/c-family/ChangeLog
View file

@ -1,5 +1,7 @@
2011-10-31 Jason Merrill <jason@redhat.com> 2011-10-31 Jason Merrill <jason@redhat.com>
* c.opt (-fdeduce-init-list): Off by default.
PR c++/50920 PR c++/50920
* c-common.h (cxx_dialect): Add cxx11 and cxx03. * c-common.h (cxx_dialect): Add cxx11 and cxx03.
* c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03, * c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03,

4
gcc/c-family/c.opt
View file

@ -752,8 +752,8 @@ C ObjC C++ ObjC++
Emit debug annotations during preprocessing Emit debug annotations during preprocessing
fdeduce-init-list fdeduce-init-list
C++ ObjC++ Var(flag_deduce_init_list) Init(1) C++ ObjC++ Var(flag_deduce_init_list) Init(0)
-fno-deduce-init-list disable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list -fdeduce-init-list enable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list
fdefault-inline fdefault-inline
C++ ObjC++ Ignore C++ ObjC++ Ignore

13
gcc/doc/invoke.texi
View file

@ -1907,9 +1907,9 @@ to @var{n}. A limit is needed to detect endless recursion during
constant expression evaluation. The minimum specified by the standard constant expression evaluation. The minimum specified by the standard
is 512. is 512.
@item -fno-deduce-init-list @item -fdeduce-init-list
@opindex fno-deduce-init-list @opindex fdeduce-init-list
Disable deduction of a template type parameter as Enable deduction of a template type parameter as
std::initializer_list from a brace-enclosed initializer list, i.e. std::initializer_list from a brace-enclosed initializer list, i.e.
@smallexample @smallexample
@ -1924,9 +1924,10 @@ void f()
@} @}
@end smallexample @end smallexample
This option is present because this deduction is an extension to the This deduction was implemented as a possible extension to the
current specification in the C++0x working draft, and there was originally proposed semantics for the C++11 standard, but was not part
some concern about potential overload resolution problems. of the final standard, so it is disabled by default. This option is
deprecated, and may be removed in a future version of G++.
@item -ffriend-injection @item -ffriend-injection
@opindex ffriend-injection @opindex ffriend-injection

2
gcc/testsuite/g++.dg/cpp0x/initlist-deduce.C
View file

@ -2,7 +2,7 @@
// supported by the working draft, but is necessary for perfect forwarding // supported by the working draft, but is necessary for perfect forwarding
// of initializer-lists to things that can take a std::initializer_list. // of initializer-lists to things that can take a std::initializer_list.
// { dg-options -std=c++0x } // { dg-options "-std=c++0x -fdeduce-init-list" }
// { dg-do run } // { dg-do run }
#include <initializer_list> #include <initializer_list>