https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66448
Aldy Hernandez <aldyh at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jason at gcc dot gnu.org
--- Comment #2 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
> 2. Once (1) is fixed, bootstrap then fails with:
>
> /GCC/gcc-trunk/gcc/ipa-pure-const.c:1640:1: error:
> ‘{anonymous}::pass_ipa_pure_const::pass_ipa_pure_const(gcc::context*)’
> defined but not used [-Werror=unused-function]
> pass_ipa_pure_const::
>
> A --disable-werror boostrap completes, but there are a number of
> constructors and destructors that report "declared but not used". AFAICT,
> it's only constructors/destructors.
>
> This is occurring at stage #2, and I thought maybe that the stage#1 compiler
> could have been mis-compiled by the bootstrap; however, gcc-4.9, 5.1 and
> clang (xcode 5.1.1) bootstraps all give the same result.
Jason, is pass_ipa_pure_const::pass_ipa_pure_const() really declared but not
used?
If so, can we mark it ATTRIBUTE_UNSUED or is there a more generic way of fixing
this?
