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Fix compiler segfault on of a type alias that cycles back

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kalsprite
2026-08-21 16:59:39 -07:00
parent 580b3f15cd
commit a1b56d7679
2 changed files with 6 additions and 2 deletions
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6
src/check_decl.cpp
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@@ -473,7 +473,11 @@ gb_internal void check_type_decl(CheckerContext *ctx, Entity *e, Ast *init_expr,
check_type_path_pop(ctx);
Type *base = base_type(bt);
if (is_distinct && bt->kind == Type_Named && base->kind == Type_Enum) {
if (base == nullptr) {
// `bt` is a named type that is still being checked, e.g. a cycle back through a
// pointer or slice, so chain to it and let it resolve when it does.
base = bt;
} else if (is_distinct && bt->kind == Type_Named && base->kind == Type_Enum) {
base = clone_enum_type(ctx, base, named);
}
named->Named.base = base;