diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 68174a14b76..15eb0e0289a 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -215,7 +215,7 @@ in the following sections. -Wabi=@var{n} -Wabi-tag -Wconversion-null -Wctor-dtor-privacy @gol -Wdelete-non-virtual-dtor -Wliteral-suffix -Wmultiple-inheritance @gol -Wnamespaces -Wnarrowing @gol --Wnoexcept -Wnon-virtual-dtor -Wreorder -Wregister @gol +-Wnoexcept -Wnoexcept-type -Wnon-virtual-dtor -Wreorder -Wregister @gol -Weffc++ -Wstrict-null-sentinel -Wtemplates @gol -Wno-non-template-friend -Wold-style-cast @gol -Woverloaded-virtual -Wno-pmf-conversions @gol @@ -2897,6 +2897,20 @@ to a function that does not have a non-throwing exception specification (i.e. @code{throw()} or @code{noexcept}) but is known by the compiler to never throw an exception. +@item -Wnoexcept @r{(C++ and Objective-C++ only)} +@opindex Wnoexcept-type +@opindex Wno-noexcept-type +Warn if the C++1z feature making @code{noexcept} part of a function +type changes the mangled name of a symbol relative to C++14. Enabled +by @option{-Wabi} and @option{-Wc++1z-compat}. + +@smallexample +template <class T> void f(T t) @{ t(); @}; +void g() noexcept; +void h() @{ f(g); @} // in C++14 calls f<void(*)()>, in C++1z calls f<void(*)()noexcept> +@end smallexample + + @item -Wnon-virtual-dtor @r{(C++ and Objective-C++ only)} @opindex Wnon-virtual-dtor @opindex Wno-non-virtual-dtor |