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Fixes to Ivar pseudo fields.

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This commit is contained in:
Harold Brenes
2025-04-23 02:05:33 -04:00
parent bca02f81cd
commit 53adff38f0
1 changed files with 7 additions and 1 deletions
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src/llvm_backend_expr.cpp
+7 -1
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@@ -5192,7 +5192,13 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
// If it's a deep pointer, dereference it first // If it's a deep pointer, dereference it first
// TODO(harold): Ensure this is save to do here. lb_emit_deep_field_gep() has several derefs, once per index. // TODO(harold): Ensure this is save to do here. lb_emit_deep_field_gep() has several derefs, once per index.
// Not sure what multiple indices represent... // Not sure what multiple indices represent...
Type* type = tav.type; Type* type = type_deref(addr.addr.type);
// TODO(harold): Checker: Must NOT allow ivar dereferencing on non-pointer types.
// this would access memory outside the size of the value.
// In fact, locals/globals of Objective-C types ought not be allowed at all.
GB_ASSERT(is_type_pointer(type));
if (is_type_pointer(type)) { if (is_type_pointer(type)) {
type = type_deref(type); type = type_deref(type);
addr = lb_addr(lb_emit_load(p, addr.addr)); addr = lb_addr(lb_emit_load(p, addr.addr));