On Mon, Feb 6, 2023 at 4:27 PM Andreas Schwab via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > The -funwind-tables and -fasynchronous-unwind-tables options are relevant > for the output pass, so they need to be passed through by the LTO wrapper. > Otherwise, dwarf2out_assembly_start may output a ".cfi_sections > .debug_frame" directive when debug info was enabled even if every > translation unit was compiled with -funwind-tables.
OK. > gcc/ > * lto-wrapper.cc (merge_and_complain): Handle > -funwind-tables and -fasynchronous-unwind-tables. > (append_compiler_options): Likewise. > --- > gcc/lto-wrapper.cc | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/gcc/lto-wrapper.cc b/gcc/lto-wrapper.cc > index 11c4d1b38a4..fe8c5f6e80d 100644 > --- a/gcc/lto-wrapper.cc > +++ b/gcc/lto-wrapper.cc > @@ -335,6 +335,8 @@ merge_and_complain (vec<cl_decoded_option> > &decoded_options, > > case OPT_fopenmp: > case OPT_fopenacc: > + case OPT_fasynchronous_unwind_tables: > + case OPT_funwind_tables: > /* For selected options we can merge conservatively. */ > if (existing_opt == -1) > decoded_options.safe_push (*foption); > @@ -737,6 +739,8 @@ append_compiler_options (obstack *argv_obstack, > vec<cl_decoded_option> opts) > case OPT_fopenacc_dim_: > case OPT_foffload_abi_: > case OPT_fcf_protection_: > + case OPT_fasynchronous_unwind_tables: > + case OPT_funwind_tables: > case OPT_g: > case OPT_O: > case OPT_Ofast: > -- > 2.39.1 > > > -- > Andreas Schwab, SUSE Labs, sch...@suse.de > GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 > "And now for something completely different."
