On Tue, 17 May 2022, Marek Polacek via Gcc-patches wrote: > The C and C++ FEs differ in TYPE_VALUES for an enum type: an entry in > the list in the C++ FE has a CONST_DECL in the TREE_VALUE, but the C FE > has only the numerical value of the CONST_DECL there. This has caused > me some trouble in my PR105497 patch. Using a CONST_DECL is preferable > because a CONST_DECL can track more information (e.g., attributes), and > you can always get the value simply by looking at its DECL_INITIAL. > > This turned out to be a trivial change. One place in godump.cc had to be > adjusted. I'm not changing the CONST_DECL check in c_do_switch_warnings > because I'll be changing it soon in my next patch. I didn't see any other > checks that this patch makes redundant. > > Bootstrapped/regtested on x86_64-pc-linux-gnu, ok for trunk? > > gcc/c/ChangeLog: > > * c-decl.cc (finish_enum): Store the CONST_DECL into TREE_VALUE, not > its value.
The C front-end changes are OK. -- Joseph S. Myers jos...@codesourcery.com