This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Please Take Attention To This BUG.


On 7 June 2017 at 08:38, 林作健 wrote:
> I have found the cause of this bug.
> In 5.3, the function strip_typedefs only use
> result = cp_build_type_attribute_variant (result, TYPE_ATTRIBUTES (t));
> but in 6.3 remove_attributes prediction get invovled:
>   if (TYPE_ATTRIBUTES (t))
>     {
>       if (remove_attributes)
> result = apply_identity_attributes (result, TYPE_ATTRIBUTES (t),
>    remove_attributes);
>       else
> result = cp_build_type_attribute_variant (result, TYPE_ATTRIBUTES (t));
>     }
> and unfortunately the pcs attribute is declared as
>   { "pcs",          1, 1, false, true,  true,  arm_handle_pcs_attribute,
>     false },
> which affects_type_identity field is set to false, cause
> apply_identity_attributes
> drop this attribute.

Please put this information in bugzilla where it belongs, thanks.

Also if it is a regression since 5.3 please mention that in the comments too.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]