carbon-lang/toolchain/check/testdata/class/inheritance/base.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/inheritance/base.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/inheritance/base.carbon

// --- base.carbon
package Base;

base class Base {
  var b: i32;
}

class Derived {
  extend base: Base;

  var d: i32;
}

fn Make() -> Derived {
  return {.base = {.b = 4}, .d = 7};
}

fn Access(d: Derived) -> (i32, i32) {
  return (d.d, d.base.b);
}

// --- fail_base_after_field.carbon
package BaseAfterField;

base class Base {
}

class Derived {
  var d: i32;

  // CHECK:STDERR: fail_base_after_field.carbon:[[@LINE+4]]:3: error: `base` declaration must appear before field declarations [BaseDeclAfterFieldDecl]
  // CHECK:STDERR:   extend base: Base;
  // CHECK:STDERR:   ^~~~~~~~~~~~~~~~~~
  // CHECK:STDERR:
  extend base: Base;
}

// CHECK:STDOUT: --- base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Base: type = class_type @Base [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT:   %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %Base.elem: type = unbound_element_type %Base, %i32 [concrete]
// CHECK:STDOUT:   %struct_type.b.0a3: type = struct_type {.b: %i32} [concrete]
// CHECK:STDOUT:   %complete_type.ba8: <witness> = complete_type_witness %struct_type.b.0a3 [concrete]
// CHECK:STDOUT:   %Derived: type = class_type @Derived [concrete]
// CHECK:STDOUT:   %Derived.elem.b58: type = unbound_element_type %Derived, %Base [concrete]
// CHECK:STDOUT:   %Derived.elem.683: type = unbound_element_type %Derived, %i32 [concrete]
// CHECK:STDOUT:   %struct_type.base.d.81a: type = struct_type {.base: %Base, .d: %i32} [concrete]
// CHECK:STDOUT:   %complete_type.3b4: <witness> = complete_type_witness %struct_type.base.d.81a [concrete]
// CHECK:STDOUT:   %.c4f: Core.Form = init_form %Derived [concrete]
// CHECK:STDOUT:   %pattern_type.db9: type = pattern_type %Derived [concrete]
// CHECK:STDOUT:   %Make.type: type = fn_type @Make [concrete]
// CHECK:STDOUT:   %Make: %Make.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_4.0c1: Core.IntLiteral = int_value 4 [concrete]
// CHECK:STDOUT:   %struct_type.b.a15: type = struct_type {.b: Core.IntLiteral} [concrete]
// CHECK:STDOUT:   %struct.a2e: %struct_type.b.a15 = struct_value (%int_4.0c1) [concrete]
// CHECK:STDOUT:   %int_7.29f: Core.IntLiteral = int_value 7 [concrete]
// CHECK:STDOUT:   %struct_type.base.d.a20: type = struct_type {.base: %struct_type.b.a15, .d: Core.IntLiteral} [concrete]
// CHECK:STDOUT:   %struct.ab7: %struct_type.base.d.a20 = struct_value (%struct.a2e, %int_7.29f) [concrete]
// CHECK:STDOUT:   %.dfa: type = partial_type %Base [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.6bc: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.74f, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
// CHECK:STDOUT:   %ImplicitAs.WithSelf.Convert.type.b37: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT:   %.545: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.b37, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.f0c: <bound method> = bound_method %int_4.0c1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method.6d7: <bound method> = bound_method %int_4.0c1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_4.940: %i32 = int_value 4 [concrete]
// CHECK:STDOUT:   %struct.5f8: %.dfa = struct_value (%int_4.940) [concrete]
// CHECK:STDOUT:   %Base.val: %Base = struct_value (%int_4.940) [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.1e0: <bound method> = bound_method %int_7.29f, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT:   %bound_method.bf2: <bound method> = bound_method %int_7.29f, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_7.0b1: %i32 = int_value 7 [concrete]
// CHECK:STDOUT:   %Derived.val: %Derived = struct_value (%Base.val, %int_7.0b1) [concrete]
// CHECK:STDOUT:   %tuple.type.24b: type = tuple_type (type, type) [concrete]
// CHECK:STDOUT:   %tuple.95a: %tuple.type.24b = tuple_value (%i32, %i32) [concrete]
// CHECK:STDOUT:   %tuple.type.d07: type = tuple_type (%i32, %i32) [concrete]
// CHECK:STDOUT:   %.f32: Core.Form = init_form %tuple.type.d07 [concrete]
// CHECK:STDOUT:   %pattern_type.511: type = pattern_type %tuple.type.d07 [concrete]
// CHECK:STDOUT:   %Access.type: type = fn_type @Access [concrete]
// CHECK:STDOUT:   %Access: %Access.type = struct_value () [concrete]
// CHECK:STDOUT:   %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.824: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.9b9: %Int.as.Copy.impl.Op.type.824 = struct_value () [symbolic]
// CHECK:STDOUT:   %Copy.impl_witness.f17: <witness> = impl_witness imports.%Copy.impl_witness_table.e76, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.546: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.664: %Int.as.Copy.impl.Op.type.546 = struct_value () [concrete]
// CHECK:STDOUT:   %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.f17) [concrete]
// CHECK:STDOUT:   %Copy.WithSelf.Op.type.081: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT:   %.8e2: type = fn_type_with_self_type %Copy.WithSelf.Op.type.081, %Copy.facet [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.664, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     .Copy = %Core.Copy
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT:   %Core.import_ref.42d: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2)]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.74f = impl_witness_table (%Core.import_ref.42d), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT:   %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT:   %Core.import_ref.18d: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.824) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.9b9)]
// CHECK:STDOUT:   %Copy.impl_witness_table.e76 = impl_witness_table (%Core.import_ref.18d), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Base = %Base.decl
// CHECK:STDOUT:     .Derived = %Derived.decl
// CHECK:STDOUT:     .Make = %Make.decl
// CHECK:STDOUT:     .Access = %Access.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Base.decl: type = class_decl @Base [concrete = constants.%Base] {} {}
// CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [concrete = constants.%Derived] {} {}
// CHECK:STDOUT:   %Make.decl: %Make.type = fn_decl @Make [concrete = constants.%Make] {
// CHECK:STDOUT:     %return.param_patt: %pattern_type.db9 = out_param_pattern [concrete]
// CHECK:STDOUT:     %return.patt: %pattern_type.db9 = return_slot_pattern %return.param_patt, %Derived.ref [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
// CHECK:STDOUT:     %.loc13: Core.Form = init_form %Derived.ref [concrete = constants.%.c4f]
// CHECK:STDOUT:     %return.param: ref %Derived = out_param call_param0
// CHECK:STDOUT:     %return: ref %Derived = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Access.decl: %Access.type = fn_decl @Access [concrete = constants.%Access] {
// CHECK:STDOUT:     %d.param_patt: %pattern_type.db9 = value_param_pattern [concrete]
// CHECK:STDOUT:     %d.patt: %pattern_type.db9 = at_binding_pattern d, %d.param_patt [concrete]
// CHECK:STDOUT:     %return.param_patt: %pattern_type.511 = out_param_pattern [concrete]
// CHECK:STDOUT:     %return.patt: %pattern_type.511 = return_slot_pattern %return.param_patt, %.loc17_35.2 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %i32.loc17_27: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT:     %i32.loc17_32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT:     %.loc17_35.1: %tuple.type.24b = tuple_literal (%i32.loc17_27, %i32.loc17_32) [concrete = constants.%tuple.95a]
// CHECK:STDOUT:     %.loc17_35.2: type = converted %.loc17_35.1, constants.%tuple.type.d07 [concrete = constants.%tuple.type.d07]
// CHECK:STDOUT:     %.loc17_35.3: Core.Form = init_form %.loc17_35.2 [concrete = constants.%.f32]
// CHECK:STDOUT:     %d.param: %Derived = value_param call_param0
// CHECK:STDOUT:     %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
// CHECK:STDOUT:     %d: %Derived = value_binding d, %d.param
// CHECK:STDOUT:     %return.param: ref %tuple.type.d07 = out_param call_param1
// CHECK:STDOUT:     %return: ref %tuple.type.d07 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT:   %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT:   %.loc4: %Base.elem = field_decl b, element0 [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.b.0a3 [concrete = constants.%complete_type.ba8]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%Base
// CHECK:STDOUT:   .b = %.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
// CHECK:STDOUT:   %.loc8: %Derived.elem.b58 = base_decl %Base.ref, element0 [concrete]
// CHECK:STDOUT:   %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT:   %.loc10: %Derived.elem.683 = field_decl d, element1 [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.base.d.81a [concrete = constants.%complete_type.3b4]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%Derived
// CHECK:STDOUT:   .Base = <poisoned>
// CHECK:STDOUT:   .base = %.loc8
// CHECK:STDOUT:   .d = %.loc10
// CHECK:STDOUT:   extend %Base.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Make() -> out %return.param: %Derived {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %int_4: Core.IntLiteral = int_value 4 [concrete = constants.%int_4.0c1]
// CHECK:STDOUT:   %.loc14_26.1: %struct_type.b.a15 = struct_literal (%int_4) [concrete = constants.%struct.a2e]
// CHECK:STDOUT:   %int_7: Core.IntLiteral = int_value 7 [concrete = constants.%int_7.29f]
// CHECK:STDOUT:   %.loc14_35.1: %struct_type.base.d.a20 = struct_literal (%.loc14_26.1, %int_7) [concrete = constants.%struct.ab7]
// CHECK:STDOUT:   %impl.elem0.loc14_26: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT:   %bound_method.loc14_26.1: <bound method> = bound_method %int_4, %impl.elem0.loc14_26 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.f0c]
// CHECK:STDOUT:   %specific_fn.loc14_26: <specific function> = specific_function %impl.elem0.loc14_26, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc14_26.2: <bound method> = bound_method %int_4, %specific_fn.loc14_26 [concrete = constants.%bound_method.6d7]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14_26: init %i32 = call %bound_method.loc14_26.2(%int_4) [concrete = constants.%int_4.940]
// CHECK:STDOUT:   %.loc14_26.2: init %i32 = converted %int_4, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14_26 [concrete = constants.%int_4.940]
// CHECK:STDOUT:   %.loc14_35.2: ref %.dfa = class_element_access %return.param, element0
// CHECK:STDOUT:   %.loc14_26.3: ref %i32 = class_element_access %.loc14_35.2, element0
// CHECK:STDOUT:   %.loc14_26.4: init %i32 to %.loc14_26.3 = in_place_init %.loc14_26.2 [concrete = constants.%int_4.940]
// CHECK:STDOUT:   %.loc14_26.5: init %.dfa to %.loc14_35.2 = class_init (%.loc14_26.4) [concrete = constants.%struct.5f8]
// CHECK:STDOUT:   %.loc14_35.3: init %.dfa = converted %.loc14_26.1, %.loc14_26.5 [concrete = constants.%struct.5f8]
// CHECK:STDOUT:   %.loc14_35.4: init %Base = as_compatible %.loc14_35.3 [concrete = constants.%Base.val]
// CHECK:STDOUT:   %impl.elem0.loc14_35: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT:   %bound_method.loc14_35.1: <bound method> = bound_method %int_7, %impl.elem0.loc14_35 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.1e0]
// CHECK:STDOUT:   %specific_fn.loc14_35: <specific function> = specific_function %impl.elem0.loc14_35, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc14_35.2: <bound method> = bound_method %int_7, %specific_fn.loc14_35 [concrete = constants.%bound_method.bf2]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14_35: init %i32 = call %bound_method.loc14_35.2(%int_7) [concrete = constants.%int_7.0b1]
// CHECK:STDOUT:   %.loc14_35.5: init %i32 = converted %int_7, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14_35 [concrete = constants.%int_7.0b1]
// CHECK:STDOUT:   %.loc14_35.6: ref %i32 = class_element_access %return.param, element1
// CHECK:STDOUT:   %.loc14_35.7: init %i32 to %.loc14_35.6 = in_place_init %.loc14_35.5 [concrete = constants.%int_7.0b1]
// CHECK:STDOUT:   %.loc14_35.8: init %Derived to %return.param = class_init (%.loc14_35.4, %.loc14_35.7) [concrete = constants.%Derived.val]
// CHECK:STDOUT:   %.loc14_36: init %Derived = converted %.loc14_35.1, %.loc14_35.8 [concrete = constants.%Derived.val]
// CHECK:STDOUT:   return %.loc14_36 to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Access(%d.param: %Derived) -> out %return.param: %tuple.type.d07 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %d.ref.loc18_11: %Derived = name_ref d, %d
// CHECK:STDOUT:   %d.ref.loc18_12: %Derived.elem.683 = name_ref d, @Derived.%.loc10 [concrete = @Derived.%.loc10]
// CHECK:STDOUT:   %.loc18_12.1: ref %i32 = class_element_access %d.ref.loc18_11, element1
// CHECK:STDOUT:   %.loc18_12.2: %i32 = acquire_value %.loc18_12.1
// CHECK:STDOUT:   %d.ref.loc18_16: %Derived = name_ref d, %d
// CHECK:STDOUT:   %base.ref: %Derived.elem.b58 = name_ref base, @Derived.%.loc8 [concrete = @Derived.%.loc8]
// CHECK:STDOUT:   %.loc18_17.1: ref %Base = class_element_access %d.ref.loc18_16, element0
// CHECK:STDOUT:   %.loc18_17.2: %Base = acquire_value %.loc18_17.1
// CHECK:STDOUT:   %b.ref: %Base.elem = name_ref b, @Base.%.loc4 [concrete = @Base.%.loc4]
// CHECK:STDOUT:   %.loc18_22.1: ref %i32 = class_element_access %.loc18_17.2, element0
// CHECK:STDOUT:   %.loc18_22.2: %i32 = acquire_value %.loc18_22.1
// CHECK:STDOUT:   %.loc18_24.1: %tuple.type.d07 = tuple_literal (%.loc18_12.2, %.loc18_22.2)
// CHECK:STDOUT:   %impl.elem0.loc18_12: %.8e2 = impl_witness_access constants.%Copy.impl_witness.f17, element0 [concrete = constants.%Int.as.Copy.impl.Op.664]
// CHECK:STDOUT:   %bound_method.loc18_12.1: <bound method> = bound_method %.loc18_12.2, %impl.elem0.loc18_12
// CHECK:STDOUT:   %specific_fn.loc18_12: <specific function> = specific_function %impl.elem0.loc18_12, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT:   %bound_method.loc18_12.2: <bound method> = bound_method %.loc18_12.2, %specific_fn.loc18_12
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc18_12: init %i32 = call %bound_method.loc18_12.2(%.loc18_12.2)
// CHECK:STDOUT:   %tuple.elem0: ref %i32 = tuple_access %return.param, element0
// CHECK:STDOUT:   %.loc18_24.2: init %i32 to %tuple.elem0 = in_place_init %Int.as.Copy.impl.Op.call.loc18_12
// CHECK:STDOUT:   %impl.elem0.loc18_22: %.8e2 = impl_witness_access constants.%Copy.impl_witness.f17, element0 [concrete = constants.%Int.as.Copy.impl.Op.664]
// CHECK:STDOUT:   %bound_method.loc18_22.1: <bound method> = bound_method %.loc18_22.2, %impl.elem0.loc18_22
// CHECK:STDOUT:   %specific_fn.loc18_22: <specific function> = specific_function %impl.elem0.loc18_22, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT:   %bound_method.loc18_22.2: <bound method> = bound_method %.loc18_22.2, %specific_fn.loc18_22
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc18_22: init %i32 = call %bound_method.loc18_22.2(%.loc18_22.2)
// CHECK:STDOUT:   %tuple.elem1: ref %i32 = tuple_access %return.param, element1
// CHECK:STDOUT:   %.loc18_24.3: init %i32 to %tuple.elem1 = in_place_init %Int.as.Copy.impl.Op.call.loc18_22
// CHECK:STDOUT:   %.loc18_24.4: init %tuple.type.d07 to %return.param = tuple_init (%.loc18_24.2, %.loc18_24.3)
// CHECK:STDOUT:   %.loc18_25: init %tuple.type.d07 = converted %.loc18_24.1, %.loc18_24.4
// CHECK:STDOUT:   return %.loc18_25 to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_base_after_field.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Base: type = class_type @Base [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT:   %Derived: type = class_type @Derived [concrete]
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %Derived.elem: type = unbound_element_type %Derived, %i32 [concrete]
// CHECK:STDOUT:   %struct_type.d: type = struct_type {.d: %i32} [concrete]
// CHECK:STDOUT:   %complete_type.860: <witness> = complete_type_witness %struct_type.d [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Base = %Base.decl
// CHECK:STDOUT:     .Derived = %Derived.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Base.decl: type = class_decl @Base [concrete = constants.%Base] {} {}
// CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [concrete = constants.%Derived] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type.357]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%Base
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT:   %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT:   %.loc7: %Derived.elem = field_decl d, element0 [concrete]
// CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.d [concrete = constants.%complete_type.860]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%Derived
// CHECK:STDOUT:   .d = %.loc7
// CHECK:STDOUT:   .Base = <poisoned>
// CHECK:STDOUT: }
// CHECK:STDOUT: