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Allow abstract types to be used in Convert (#7388)

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Notably this allows accessing fields in an abstract base class via a
derived class without going through `base`. E.g.
`my_obj.field_in_base_class` rather than
`my_obj.base.field_in_base_class`.
This commit is contained in:
Nicholas Bishop
2026-06-19 00:18:48 +00:00
committed by GitHub
parent 833e0c418e
commit 2ebc7cdb40
5 changed files with 198 additions and 228 deletions
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toolchain/check/testdata/interop/cpp/class/export/base.carbon
Vendored
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@@ -133,16 +133,6 @@ import Cpp;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
abstract class Abstract {
// CHECK:STDERR: fail_todo_abstract_nonvirtual_dtor_but_virtual_fns.carbon:[[@LINE+10]]:3: error: initialization of abstract type `Abstract` [AbstractTypeInInit]
// CHECK:STDERR: abstract fn F(self);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_todo_abstract_nonvirtual_dtor_but_virtual_fns.carbon:[[@LINE-4]]:1: note: class was declared abstract here [ClassAbstractHere]
// CHECK:STDERR: abstract class Abstract {
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_todo_abstract_nonvirtual_dtor_but_virtual_fns.carbon:[[@LINE+4]]:17: note: initializing function parameter [InCallToFunctionParam]
// CHECK:STDERR: abstract fn F(self);
// CHECK:STDERR: ^~~~
// CHECK:STDERR:
abstract fn F(self);
}