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Track complete types required by a generic. (#4652)

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When a generic requires a symbolic type to be complete, add a new
`require_complete_type` instruction to the generic eval block. During
monomorphization of such an instruction, require that type to be
complete.
This commit is contained in:
Richard Smith
2024-12-10 03:00:28 +00:00
committed by GitHub
parent e75ef34591
commit eabe9f117a
107 changed files with 1357 additions and 291 deletions
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toolchain/check/handle_binding_pattern.cpp
+2 -2
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@@ -104,7 +104,7 @@ static auto HandleAnyBindingPattern(Context& context, Parse::NodeId node_id,
// A `var` declaration at class scope introduces a field.
auto parent_class_decl = context.GetCurrentScopeAs<SemIR::ClassDecl>();
cast_type_id = context.AsCompleteType(
cast_type_id,
cast_type_id, type_node,
[&] {
CARBON_DIAGNOSTIC(IncompleteTypeInVarDecl, Error,
"{0:field|variable} has incomplete type {1}",
@@ -245,7 +245,7 @@ static auto HandleAnyBindingPattern(Context& context, Parse::NodeId node_id,
}
case Parse::NodeKind::LetIntroducer: {
cast_type_id = context.AsCompleteType(cast_type_id, [&] {
cast_type_id = context.AsCompleteType(cast_type_id, type_node, [&] {
CARBON_DIAGNOSTIC(IncompleteTypeInLetDecl, Error,
"`let` binding has incomplete type {0}",
InstIdAsType);