Am Montag, dem 17.06.2024 um 08:01 +0200 schrieb Richard Biener via Gcc: > On Sun, 16 Jun 2024, Martin Uecker wrote: > > > > > > > I am trying to understand what check_qualified_type > > does exactly. The direct comparison of TYPE_NAMES seems incorrect > > for C and its use is c_update_type_canonical then causes > > PR114930 and PR115502. In the later function I think > > it is not really needed and I guess one could simply remove > > it, but I wonder if it works incorrectly in other cases > > too? > > TYPE_NAMES is compared because IIRC typedefs are recorded as variants > and 'const T' isn't the same as 'const int' with typedef int T.
so if it is intentional that it differentiates between struct foo and typedef struct foo bar then I will change c_update_type_canonical to not use it, because both types should have the same TYPE_CANONICAL Martin
