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| author | Jason Merrill <jason@redhat.com> | 2010-05-15 22:27:02 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2010-05-15 22:27:02 -0400 |
| commit | 9feb3d6aca21781464d2759fcef34bd471d85628 (patch) | |
| tree | 699ab721514cf76b302460b68157f29fee95d298 /gcc/doc | |
| parent | e05e5c083b711a62699bb6c1f41b476bd257f709 (diff) | |
| download | gcc-9feb3d6aca21781464d2759fcef34bd471d85628.zip gcc-9feb3d6aca21781464d2759fcef34bd471d85628.tar.gz gcc-9feb3d6aca21781464d2759fcef34bd471d85628.tar.bz2 | |
c.opt: Add -fnothrow-opt.
gcc:
* c.opt: Add -fnothrow-opt.
gcc/cp:
* cp-tree.h (TYPE_NOEXCEPT_P): New macro.
* except.c (begin_eh_spec_block): Use MUST_NOT_THROW_EXPR if
TYPE_NOEXCEPT_P.
(finish_eh_spec_block): Adjust.
From-SVN: r159450
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 98f97cc..81c2d03 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -1929,6 +1929,15 @@ Disable built-in declarations of functions that are not mandated by ANSI/ISO C@. These include @code{ffs}, @code{alloca}, @code{_exit}, @code{index}, @code{bzero}, @code{conjf}, and other related functions. +@item -fnothrow-opt +@opindex fnothrow-opt +Treat a @code{throw()} exception specification as though it were a +@code{noexcept} specification to reduce or eliminate the text size +overhead relative to a function with no exception specification. The +semantic effect is that an exception thrown out of a function with +such an exception specification will result in a call to +@code{terminate} rather than @code{unexpected}. + @item -fno-operator-names @opindex fno-operator-names Do not treat the operator name keywords @code{and}, @code{bitand}, |