On Wed, Mar 6, 2024 at 1:03 AM Iain Sandoe <i...@sandoe.co.uk> wrote: > > > > > On 5 Mar 2024, at 17:31, H.J. Lu <hjl.to...@gmail.com> wrote: > > > > On Sat, Jan 18, 2020 at 4:54 AM Iain Sandoe <i...@sandoe.co.uk> wrote: > >> > > >> 2020-01-18 Iain Sandoe <i...@sandoe.co.uk> > >> > >> * Makefile.in: Add coroutine-passes.o. > >> * builtin-types.def (BT_CONST_SIZE): New. > >> (BT_FN_BOOL_PTR): New. > >> (BT_FN_PTR_PTR_CONST_SIZE_BOOL): New. > >> * builtins.def (DEF_COROUTINE_BUILTIN): New. > >> * coroutine-builtins.def: New file. > >> * coroutine-passes.cc: New file. > > > > There are > > > > tree res_tgt = TREE_OPERAND (gimple_call_arg (stmt, 2), 0); > > tree &res_dest = destinations.get_or_insert (idx, &existed); > > if (existed && dump_file) > > Why does this behavior depend on dump_file? > > This was checking for a potential wrong-code error during development; > there is no point in making it into a diagnostic (since the user could not fix > the problem if it happened). I guess changing to a gcc_checking_assert() > would be reasonable but I’d prefer to do that once GCC-15 opens. > > Have you found any instance where this results in a reported bug?
No, I haven't. I only noticed it by chance. > (I do not recall anything on my coroutines bug list that would seem to > indicate this). > > thanks for noting it. > Iain > > > > { > > fprintf ( > > dump_file, > > "duplicate YIELD RESUME point (" HOST_WIDE_INT_PRINT_DEC > > ") ?\n", > > idx); > > print_gimple_stmt (dump_file, stmt, 0, > > TDF_VOPS|TDF_MEMSYMS); > > } > > else > > res_dest = res_tgt; > > > > H.J. > -- H.J.