On Mon, Oct 10, 2022 at 05:26:36PM -0700, Junio C Hamano wrote: > Jeff King <peff@xxxxxxxx> writes: > > > On Mon, Oct 10, 2022 at 01:38:00PM -0700, Junio C Hamano wrote: > > > >> diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines > >> index 9598b45f7e..cbe0377699 100644 > >> --- a/Documentation/CodingGuidelines > >> +++ b/Documentation/CodingGuidelines > >> @@ -242,6 +242,10 @@ For C programs: > >> printf("%"PRIuMAX, (uintmax_t)v). These days the MSVC version we > >> rely on supports %z, but the C library used by MinGW does not. > >> > >> + . Shorthand like ".a.b = *c" in struct assignments is known to trip > >> + up an older IBM XLC version, use ".a = { .b = *c }" instead. See > >> + the 33665d98e6b portability fix from mid-2022. > > > > FWIW, the use of the word "assignment" here left me scratching my head. > > Reading 33665d98e6b, it is about struct initialization. > > Thanks, I missed that confusion in the new description. Perhaps > another round of reroll would make the series polished enough? I read through the rest of it fairly lightly, but I didn't see have any other complaints (and the overall goal of documenting our use of compiler features is a great one). -Peff