PR c/29955

[pf3gnuchains/gcc-fork.git] / gcc / c.opt

diff --git a/gcc/c.opt b/gcc/c.opt
index 8f58d3d..6cd1790 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -7,12 +7,12 @@
 ; the terms of the GNU General Public License as published by the Free
 ; Software Foundation; either version 2, or (at your option) any later
 ; version.
-; 
+;
 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
 ; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 ; for more details.
-; 
+;
 ; You should have received a copy of the GNU General Public License
 ; along with GCC; see the file COPYING.  If not, write to the Free
 ; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
@@ -151,7 +151,7 @@ Synonym for -Wcomment
 
 Wconversion
 C ObjC C++ ObjC++ Var(warn_conversion)
-Warn about possibly confusing type conversions
+Warn for implicit type conversions that may change a value
 
 Wctor-dtor-privacy
 C++ ObjC++ Var(warn_ctor_dtor_privacy)
@@ -319,6 +319,10 @@ Woverloaded-virtual
 C++ ObjC++ Var(warn_overloaded_virtual)
 Warn about overloaded virtual function names
 
+Woverride-init
+C ObjC Var(warn_override_init) Init(-1)
+Warn about overriding initializers without side effects
+
 Wparentheses
 C ObjC C++ ObjC++ Var(warn_parentheses)
 Warn about possibly missing parentheses
@@ -395,6 +399,10 @@ Wtraditional
 C ObjC Var(warn_traditional)
 Warn about features not present in traditional C
 
+Wtraditional-conversion
+C ObjC Var(warn_traditional_conversion)
+Warn of prototypes causing type conversions different from what would happen in the absence of prototype
+
 Wtrigraphs
 C ObjC C++ ObjC++
 Warn if trigraphs are encountered that might affect the meaning of the program
@@ -691,7 +699,7 @@ C ObjC C++ ObjC++ Joined RejectNegative UInteger
 -ftabstop=<number>     Distance between tab stops for column reporting
 
 ftemplate-depth-
-C++ ObjC++ Joined RejectNegative UInteger 
+C++ ObjC++ Joined RejectNegative UInteger
 -ftemplate-depth-<number>      Specify maximum template instantiation depth
 
 fthis-is-variable
@@ -713,6 +721,10 @@ fuse-cxa-atexit
 C++ ObjC++
 Use __cxa_atexit to register destructors
 
+fuse-cxa-get-exception-ptr
+C++ ObjC++
+Use __cxa_get_exception_ptr in exception handling
+
 fvisibility-inlines-hidden
 C++ ObjC++
 Marks all inlined methods as having hidden visibility
@@ -834,6 +846,13 @@ std=c++98
 C++ ObjC++
 Conform to the ISO 1998 C++ standard
 
+std=c++0x
+C++ ObjC++
+Conform to the ISO 1998 C++ standard, with extensions that are likely to
+become a part of the upcoming ISO C++ standard, dubbed C++0x. Note that the
+extensions enabled by this mode are experimental and may be removed in
+future releases of GCC.
+
 std=c89
 C ObjC
 Conform to the ISO 1990 C standard
@@ -850,6 +869,13 @@ std=gnu++98
 C++ ObjC++
 Conform to the ISO 1998 C++ standard with GNU extensions
 
+std=gnu++0x
+C++ ObjC++
+Conform to the ISO 1998 C++ standard, with GNU extensions and
+extensions that are likely to become a part of the upcoming ISO C++
+standard, dubbed C++0x. Note that the extensions enabled by this mode
+are experimental and may be removed in future releases of GCC.
+
 std=gnu89
 C ObjC
 Conform to the ISO 1990 C standard with GNU extensions