On Wed, Oct 16, 2019 at 10:03:51AM -0600, Martin Sebor wrote:
> PS The counterexample nicely illustrates why -Wself-init should
> be in -Wall like in Clang or MSVC, or at least in -Wextra like in
> ICC. Let me take it as a reminder to submit a patch for GCC 10.
c-family/c-gimplify.c says:
/* This is handled mostly by gimplify.c, but we have to deal with
not warning about int x = x; as it is a GCC extension to turn off
this warning but only if warn_init_self is zero. */
A lot of code will start to warn if you turn on -Winit-self by default
(in -Wall or -W), since forever we have had this GCC extension, and
people expect it. (Or so I fear, feel free to prove me wrong :-) )
Segher
