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Sema: remove opv status from arrays with sentinels

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Being able to create a pointer to the non-opv sentinel means that these
types have to actually be stored.
This commit is contained in:
Jacob Young 2023-05-31 02:32:09 -04:00 committed by Andrew Kelley
parent 71c4077c35
commit b2391a7d44
2 changed files with 7 additions and 4 deletions
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6
src/Sema.zig
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@ -33468,11 +33468,13 @@ pub fn typeHasOnePossibleValue(sema: *Sema, ty: Type) CompileError!?Value {
.inferred_error_set_type,
=> null,
inline .array_type, .vector_type => |seq_type| {
if (seq_type.len == 0) return (try mod.intern(.{ .aggregate = .{
inline .array_type, .vector_type => |seq_type, seq_tag| {
const has_sentinel = seq_tag == .array_type and seq_type.sentinel != .none;
if (seq_type.len + @boolToInt(has_sentinel) == 0) return (try mod.intern(.{ .aggregate = .{
.ty = ty.toIntern(),
.storage = .{ .elems = &.{} },
} })).toValue();
if (try sema.typeHasOnePossibleValue(seq_type.child.toType())) |opv| {
return (try mod.intern(.{ .aggregate = .{
.ty = ty.toIntern(),

5
src/type.zig
View File

@ -2479,8 +2479,9 @@ pub const Type = struct {
.inferred_error_set_type,
=> return null,
inline .array_type, .vector_type => |seq_type| {
if (seq_type.len == 0) return (try mod.intern(.{ .aggregate = .{
inline .array_type, .vector_type => |seq_type, seq_tag| {
const has_sentinel = seq_tag == .array_type and seq_type.sentinel != .none;
if (seq_type.len + @boolToInt(has_sentinel) == 0) return (try mod.intern(.{ .aggregate = .{
.ty = ty.toIntern(),
.storage = .{ .elems = &.{} },
} })).toValue();