On Tue, 20 May 2025, Christopher Bazley wrote:
> + if (!cleared)
> + {
> + if (complete_p.padded_non_union
> + && warn_zero_init_padding_bits >= ZERO_INIT_PADDING_BITS_ALL)
> + {
> + warning (OPT_Wzero_init_padding_bits_,
> + "Padding bits might not be initialized to zero; "
> + "consider using %<-fzero-init-padding-bits=all%>");
> + }
> + else if (complete_p.padded_union
> + && warn_zero_init_padding_bits
> + >= ZERO_INIT_PADDING_BITS_UNIONS)
> + {
> + warning (OPT_Wzero_init_padding_bits_,
> + "Padding bits might not be initialized to zero; "
> + "consider using %<-fzero-init-padding-bits=unions%> "
> + "or %<-fzero-init-padding-bits=all%>");
Diagnostics should start with a lowercase letter.
If there's a meaningful location available for the initialization, then
warning_at (passing an explicit location) is preferred to warning.
--
Joseph S. Myers
[email protected]
