On Tue, 17 Mar 2020, Jakub Jelinek via Gcc-patches wrote: > Hi! > > The following testcases ICE, because they contain extern variable > declarations with incomplete enum types that is later completed and after > that those variables are accessed. The ICEs are because the vars then may > have > incorrect DECL_MODE etc., e.g. in the first case the var has SImode > DECL_MODE (the guessed mode for the enum), but the enum then actually has > DImode because its enumerators don't fit into unsigned int. > > The following patch fixes it by using C_TYPE_INCOMPLETE_VARS not just on > incomplete struct/union types, but also incomplete enum types. > TYPE_VFIELD can't be used as it is TYPE_MIN_VALUE on ENUMERAL_TYPE, > thankfully TYPE_LANG_SLOT_1 has been used in the C FE only on > FUNCTION_TYPEs. > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
OK. -- Joseph S. Myers jos...@codesourcery.com
