[PATCH] Document --coverage and fork-like functions (PR gcov-profile/82457).

[Eric Gallager]

On 10/19/17, Martin Liška <mliska@suse.cz> wrote:
> Hi.
>
> As discussed in the PR, we should be more precise in our documentation.
> The patch does that.
>
> Ready for trunk?
> Martin
>
> gcc/ChangeLog:
>
> 2017-10-19  Martin Liska  <mliska@suse.cz>
>
> 	PR gcov-profile/82457
> 	* doc/invoke.texi: Document that one needs a non-strict ISO mode
> 	for fork-like functions to be properly instrumented.
> ---
>  gcc/doc/invoke.texi | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
>
>

The wording is kinda unclear because the modes in the parentheses are
all strict ISO modes, but the part before the parentheses says
NON-strict... I think you either need an additional "not" inside the
parentheses, or to change all the instances of -std=c* to -std=gnu*.