[Bug c/88088] -Wtrampolines should be enabled by -Wall (or -Wextra)

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88088

--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> ---
It is good that it doesn't warn if trampolines are not data.  This is not
documented, fwiw.

It also warns if the stack is executable *anyway*, like it is for many
targets.  This is not useful; as documented, the point of the warning is
to warn the user that the stack is made executable because some trampoline
somewhere needs it.  Not warn the user that there is a trampoline
somewhere(*), which would be as useful as warning the user that the program
source code is a multiple of six lines long, which is exactly as harmful :-P


(*) Which, as you say, is not what it does anyway!