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carbon-lang/toolchain/check/testdata/class/fail_abstract_in_struct.carbon
T
Dana Jansens 5ae5170421 Allow deduction of tuple and struct literals as symbolic generic facet types (#6365) 
Give TupleLiteral and StructLiteral a constant value, if their contents
have constant values. Their constant values are TupleValue and
StructValue respectively. This supports their ability to convert to a
constant type (or facet type).

This way when deduce finds a TupleLiteral as the argument to a
_symbolic_ facet type, it can also find a constant value to use for that
argument. This allows deduction to move onto step two, where it can
substitute into the symbolic parameter from previous deduced arguments,
and then perform the conversion from the TupleValue to the desired facet
type.

Allow `PerformBuiltinConversion()` to convert from a canonical
TupleValue or StructValue to `type` instead of only from literals. Then,
also support conversion from a symbolic binding of type TupleType or
StructType to `type`.
2025-11-13 20:17:44 +00:00

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// 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/none.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/fail_abstract_in_struct.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_abstract_in_struct.carbon
// --- fail_abstract_field.carbon
library "[[@TEST_NAME]]";
abstract class Abstract1 {}
class Contains {
// CHECK:STDERR: fail_abstract_field.carbon:[[@LINE+7]]:10: error: field has abstract type `{.m1: Abstract1}` [AbstractTypeInFieldDecl]
// CHECK:STDERR: var a: {.m1: Abstract1};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_abstract_field.carbon:[[@LINE-6]]:1: note: uses class that was declared abstract here [ClassAbstractHere]
// CHECK:STDERR: abstract class Abstract1 {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var a: {.m1: Abstract1};
}
// --- fail_abstract_var.carbon
library "[[@TEST_NAME]]";
abstract class Abstract2 {}
// CHECK:STDERR: fail_abstract_var.carbon:[[@LINE+7]]:8: error: binding pattern has abstract type `{.m2: Abstract2}` in `var` pattern [AbstractTypeInVarPattern]
// CHECK:STDERR: var v: {.m2: Abstract2};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_abstract_var.carbon:[[@LINE-5]]:1: note: uses class that was declared abstract here [ClassAbstractHere]
// CHECK:STDERR: abstract class Abstract2 {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var v: {.m2: Abstract2};
// --- abstract_let.carbon
library "[[@TEST_NAME]]";
abstract class Abstract3 {
}
fn F(a: Abstract3) {
let l: {.m3: Abstract3} = {.m3 = a};
}
// --- fail_abstract_twice.carbon
library "[[@TEST_NAME]]";
abstract class Abstract4 {}
abstract class Abstract5 {}
// CHECK:STDERR: fail_abstract_twice.carbon:[[@LINE+7]]:9: error: binding pattern has abstract type `{.m4: Abstract4, .m5: Abstract5}` in `var` pattern [AbstractTypeInVarPattern]
// CHECK:STDERR: var v2: {.m4: Abstract4, .m5: Abstract5};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_abstract_twice.carbon:[[@LINE-6]]:1: note: uses class that was declared abstract here [ClassAbstractHere]
// CHECK:STDERR: abstract class Abstract4 {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var v2: {.m4: Abstract4, .m5: Abstract5};
// --- fail_abstract_first.carbon
library "[[@TEST_NAME]]";
abstract class Abstract6 {}
// CHECK:STDERR: fail_abstract_first.carbon:[[@LINE+7]]:9: error: binding pattern has abstract type `{.m6: Abstract6, .c1: ()}` in `var` pattern [AbstractTypeInVarPattern]
// CHECK:STDERR: var v3: {.m6: Abstract6, .c1: ()};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_abstract_first.carbon:[[@LINE-5]]:1: note: uses class that was declared abstract here [ClassAbstractHere]
// CHECK:STDERR: abstract class Abstract6 {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var v3: {.m6: Abstract6, .c1: ()};
// --- fail_abstract_second.carbon
library "[[@TEST_NAME]]";
abstract class Abstract7 {}
// CHECK:STDERR: fail_abstract_second.carbon:[[@LINE+7]]:9: error: binding pattern has abstract type `{.c2: (), .m7: Abstract7}` in `var` pattern [AbstractTypeInVarPattern]
// CHECK:STDERR: var v4: {.c2: (), .m7: Abstract7};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_abstract_second.carbon:[[@LINE-5]]:1: note: uses class that was declared abstract here [ClassAbstractHere]
// CHECK:STDERR: abstract class Abstract7 {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var v4: {.c2: (), .m7: Abstract7};
// --- lib.carbon
library "[[@TEST_NAME]]";
abstract class Abstract {}
// --- fail_import.carbon
library "[[@TEST_NAME]]";
import library "lib";
// CHECK:STDERR: fail_import.carbon:[[@LINE+8]]:9: error: binding pattern has abstract type `{.m: Abstract}` in `var` pattern [AbstractTypeInVarPattern]
// CHECK:STDERR: var v5: {.m: Abstract};
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR: fail_import.carbon:[[@LINE-5]]:1: in import [InImport]
// CHECK:STDERR: lib.carbon:3:1: note: uses class that was declared abstract here [ClassAbstractHere]
// CHECK:STDERR: abstract class Abstract {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var v5: {.m: Abstract};
// CHECK:STDOUT: --- fail_abstract_field.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract1: type = class_type @Abstract1 [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %Contains: type = class_type @Contains [concrete]
// CHECK:STDOUT: %struct_type.m1.198: type = struct_type {.m1: %Abstract1} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract1 = %Abstract1.decl
// CHECK:STDOUT: .Contains = %Contains.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Abstract1.decl: type = class_decl @Abstract1 [concrete = constants.%Abstract1] {} {}
// CHECK:STDOUT: %Contains.decl: type = class_decl @Contains [concrete = constants.%Contains] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract1 {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Contains {
// CHECK:STDOUT: %Abstract1.ref: type = name_ref Abstract1, file.%Abstract1.decl [concrete = constants.%Abstract1]
// CHECK:STDOUT: %struct_type.m1: type = struct_type {.m1: %Abstract1} [concrete = constants.%struct_type.m1.198]
// CHECK:STDOUT: %.loc13: <error> = field_decl a, element0 [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness <error> [concrete = <error>]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Contains
// CHECK:STDOUT: .Abstract1 = <poisoned>
// CHECK:STDOUT: .a = %.loc13
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_abstract_var.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract2: type = class_type @Abstract2 [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %struct_type.m2.155: type = struct_type {.m2: %Abstract2} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract2 = %Abstract2.decl
// CHECK:STDOUT: .v = %v
// CHECK:STDOUT: }
// CHECK:STDOUT: %Abstract2.decl: type = class_decl @Abstract2 [concrete = constants.%Abstract2] {} {}
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v.patt: <error> = ref_binding_pattern v [concrete]
// CHECK:STDOUT: %v.var_patt: <error> = var_pattern %v.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v.var: ref <error> = var %v.var_patt [concrete = <error>]
// CHECK:STDOUT: %.loc12: type = splice_block %struct_type.m2 [concrete = constants.%struct_type.m2.155] {
// CHECK:STDOUT: %Abstract2.ref: type = name_ref Abstract2, %Abstract2.decl [concrete = constants.%Abstract2]
// CHECK:STDOUT: %struct_type.m2: type = struct_type {.m2: %Abstract2} [concrete = constants.%struct_type.m2.155]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v: ref <error> = ref_binding v, <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract2 {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- abstract_let.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract3: type = class_type @Abstract3 [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %pattern_type.32b: type = pattern_type %Abstract3 [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %struct_type.m3.fe4: type = struct_type {.m3: %Abstract3} [concrete]
// CHECK:STDOUT: %pattern_type.a22: type = pattern_type %struct_type.m3.fe4 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract3 = %Abstract3.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Abstract3.decl: type = class_decl @Abstract3 [concrete = constants.%Abstract3] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %a.patt: %pattern_type.32b = value_binding_pattern a [concrete]
// CHECK:STDOUT: %a.param_patt: %pattern_type.32b = value_param_pattern %a.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %a.param: %Abstract3 = value_param call_param0
// CHECK:STDOUT: %Abstract3.ref.loc6: type = name_ref Abstract3, file.%Abstract3.decl [concrete = constants.%Abstract3]
// CHECK:STDOUT: %a: %Abstract3 = value_binding a, %a.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract3 {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%a.param: %Abstract3) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %l.patt: %pattern_type.a22 = value_binding_pattern l [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.ref: %Abstract3 = name_ref a, %a
// CHECK:STDOUT: %.loc7_37: %struct_type.m3.fe4 = struct_literal (%a.ref)
// CHECK:STDOUT: %.loc7_25: type = splice_block %struct_type.m3 [concrete = constants.%struct_type.m3.fe4] {
// CHECK:STDOUT: %Abstract3.ref.loc7: type = name_ref Abstract3, file.%Abstract3.decl [concrete = constants.%Abstract3]
// CHECK:STDOUT: %struct_type.m3: type = struct_type {.m3: %Abstract3} [concrete = constants.%struct_type.m3.fe4]
// CHECK:STDOUT: }
// CHECK:STDOUT: %l: %struct_type.m3.fe4 = value_binding l, <error> [concrete = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_abstract_twice.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract4: type = class_type @Abstract4 [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %Abstract5: type = class_type @Abstract5 [concrete]
// CHECK:STDOUT: %struct_type.m4.m5.c86: type = struct_type {.m4: %Abstract4, .m5: %Abstract5} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract4 = %Abstract4.decl
// CHECK:STDOUT: .Abstract5 = %Abstract5.decl
// CHECK:STDOUT: .v2 = %v2
// CHECK:STDOUT: }
// CHECK:STDOUT: %Abstract4.decl: type = class_decl @Abstract4 [concrete = constants.%Abstract4] {} {}
// CHECK:STDOUT: %Abstract5.decl: type = class_decl @Abstract5 [concrete = constants.%Abstract5] {} {}
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v2.patt: <error> = ref_binding_pattern v2 [concrete]
// CHECK:STDOUT: %v2.var_patt: <error> = var_pattern %v2.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v2.var: ref <error> = var %v2.var_patt [concrete = <error>]
// CHECK:STDOUT: %.loc13: type = splice_block %struct_type.m4.m5 [concrete = constants.%struct_type.m4.m5.c86] {
// CHECK:STDOUT: %Abstract4.ref: type = name_ref Abstract4, %Abstract4.decl [concrete = constants.%Abstract4]
// CHECK:STDOUT: %Abstract5.ref: type = name_ref Abstract5, %Abstract5.decl [concrete = constants.%Abstract5]
// CHECK:STDOUT: %struct_type.m4.m5: type = struct_type {.m4: %Abstract4, .m5: %Abstract5} [concrete = constants.%struct_type.m4.m5.c86]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v2: ref <error> = ref_binding v2, <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract4 {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract5 {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract5
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_abstract_first.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract6: type = class_type @Abstract6 [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %struct_type.m6.c1.489: type = struct_type {.m6: %Abstract6, .c1: %empty_tuple.type} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract6 = %Abstract6.decl
// CHECK:STDOUT: .v3 = %v3
// CHECK:STDOUT: }
// CHECK:STDOUT: %Abstract6.decl: type = class_decl @Abstract6 [concrete = constants.%Abstract6] {} {}
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v3.patt: <error> = ref_binding_pattern v3 [concrete]
// CHECK:STDOUT: %v3.var_patt: <error> = var_pattern %v3.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v3.var: ref <error> = var %v3.var_patt [concrete = <error>]
// CHECK:STDOUT: %.loc12_33: type = splice_block %struct_type.m6.c1 [concrete = constants.%struct_type.m6.c1.489] {
// CHECK:STDOUT: %Abstract6.ref: type = name_ref Abstract6, %Abstract6.decl [concrete = constants.%Abstract6]
// CHECK:STDOUT: %.loc12_32.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc12_32.2: type = converted %.loc12_32.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %struct_type.m6.c1: type = struct_type {.m6: %Abstract6, .c1: %empty_tuple.type} [concrete = constants.%struct_type.m6.c1.489]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v3: ref <error> = ref_binding v3, <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract6 {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract6
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_abstract_second.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract7: type = class_type @Abstract7 [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %struct_type.c2.m7.4a7: type = struct_type {.c2: %empty_tuple.type, .m7: %Abstract7} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract7 = %Abstract7.decl
// CHECK:STDOUT: .v4 = %v4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Abstract7.decl: type = class_decl @Abstract7 [concrete = constants.%Abstract7] {} {}
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v4.patt: <error> = ref_binding_pattern v4 [concrete]
// CHECK:STDOUT: %v4.var_patt: <error> = var_pattern %v4.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v4.var: ref <error> = var %v4.var_patt [concrete = <error>]
// CHECK:STDOUT: %.loc12_33: type = splice_block %struct_type.c2.m7 [concrete = constants.%struct_type.c2.m7.4a7] {
// CHECK:STDOUT: %.loc12_16.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc12_16.2: type = converted %.loc12_16.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %Abstract7.ref: type = name_ref Abstract7, %Abstract7.decl [concrete = constants.%Abstract7]
// CHECK:STDOUT: %struct_type.c2.m7: type = struct_type {.c2: %empty_tuple.type, .m7: %Abstract7} [concrete = constants.%struct_type.c2.m7.4a7]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v4: ref <error> = ref_binding v4, <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract7 {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- lib.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract: type = class_type @Abstract [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract = %Abstract.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Abstract.decl: type = class_decl @Abstract [concrete = constants.%Abstract] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Abstract: type = class_type @Abstract [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %struct_type.m.50b: type = struct_type {.m: %Abstract} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.Abstract: type = import_ref Main//lib, Abstract, loaded [concrete = constants.%Abstract]
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//lib, loc3_26, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.ee1 = import_ref Main//lib, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Abstract = imports.%Main.Abstract
// CHECK:STDOUT: .v5 = %v5
// CHECK:STDOUT: }
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v5.patt: <error> = ref_binding_pattern v5 [concrete]
// CHECK:STDOUT: %v5.var_patt: <error> = var_pattern %v5.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v5.var: ref <error> = var %v5.var_patt [concrete = <error>]
// CHECK:STDOUT: %.loc13: type = splice_block %struct_type.m [concrete = constants.%struct_type.m.50b] {
// CHECK:STDOUT: %Abstract.ref: type = name_ref Abstract, imports.%Main.Abstract [concrete = constants.%Abstract]
// CHECK:STDOUT: %struct_type.m: type = struct_type {.m: %Abstract} [concrete = constants.%struct_type.m.50b]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v5: ref <error> = ref_binding v5, <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract [from "lib.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.ee1
// CHECK:STDOUT: }
// CHECK:STDOUT:
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