A comment on the documentation:
> Index: gcc/doc/install.texi
> ===================================================================
> --- gcc/doc/install.texi (revision 176348)
> +++ gcc/doc/install.texi (working copy)
> @@ -1286,6 +1286,13 @@ will try to guess whether the @code{.ini
> Build GCC using a C++ compiler rather than a C compiler. This is an
> experimental option which may become the default in a later release.
>
> +@item --enable-build-poststage1-with-cxx
> +When bootstrapping, build stages 2 and 3 of GCC using a C++ compiler
> +rather than a C compiler. Stage 1 is still built with a C compiler.
> +This is an experimental option which may become the default in a later
> +release. This is enabled by default and may be disabled using
> +@option{--disable-build-poststage1-with-cxx}.
> +
The document says "This is an experimental option which may become the
default in a later release" and then says "This is enabled by default".
The latter statement is true.
