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05cc09dacafbdebf71803e001d94e6d550d36c7a
carbon-lang/toolchain/check/testdata/operators/overloaded/eq.carbon
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Richard Smith 05cc09daca Fix cross-package signature mismatches. (#7232) 
Fixes link failures when referencing a symbol involving a fingerprint
from a different package.

Previously we included the `Namespace`'s `import_id` as part of its
fingerprint, which caused local and imported namespaces to get different
fingerprints. We now store the `import_id` on the `NameScope` instead of
on the `Namespace` inst to avoid this problem.

Also, when we reach a package-level `NameScopeId`, consistently
fingerprint it as a (package name, library name) pair. Previously the
fingerprinting depended on whether it was imported or not, as an
imported `NameScopeId` had a parent scope (the current package). We need
to include the library name here so that private entities with the same
name in different libraries have different fingerprints.
2026-05-21 00:02:29 +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/full.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/operators/overloaded/eq.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/operators/overloaded/eq.carbon
// --- user.carbon
package User;
class C {};
impl C as Core.EqWith(C) {
fn Equal[self: C](other: C) -> bool;
fn NotEqual[self: C](other: C) -> bool;
}
fn TestEqual(a: C, b: C) -> bool {
return a == b;
}
fn TestNotEqual(a: C, b: C) -> bool {
return a != b;
}
// --- fail_no_impl.carbon
package FailNoImpl;
class D {};
fn TestEqual(a: D, b: D) -> bool {
// CHECK:STDERR: fail_no_impl.carbon:[[@LINE+4]]:10: error: cannot access member of interface `Core.EqWith(D)` in type `D` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: return a == b;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
return a == b;
}
fn TestNotEqual(a: D, b: D) -> bool {
// CHECK:STDERR: fail_no_impl.carbon:[[@LINE+4]]:10: error: cannot access member of interface `Core.EqWith(D)` in type `D` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: return a != b;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
return a != b;
}
// --- fail_no_impl_for_args.carbon
package FailNoImplForArgs;
class C {};
class D {};
impl C as Core.EqWith(C) {
fn Equal[self: C](other: C) -> bool;
fn NotEqual[self: C](other: C) -> bool;
}
fn TestRhsBad(a: C, b: D) -> bool {
// CHECK:STDERR: fail_no_impl_for_args.carbon:[[@LINE+4]]:10: error: cannot access member of interface `Core.EqWith(D)` in type `C` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: return a == b;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
return a == b;
}
fn TestLhsBad(a: D, b: C) -> bool {
// CHECK:STDERR: fail_no_impl_for_args.carbon:[[@LINE+4]]:10: error: cannot access member of interface `Core.EqWith(C)` in type `D` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: return a != b;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
return a != b;
}
// CHECK:STDOUT: --- user.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %EqWith.type.70a: type = generic_interface_type @EqWith [concrete]
// CHECK:STDOUT: %EqWith.generic: %EqWith.type.70a = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.831: type = pattern_type bool [concrete]
// CHECK:STDOUT: %.f34: Core.Form = init_form bool [concrete]
// CHECK:STDOUT: %EqWith.type.7c3: type = facet_type <@EqWith, @EqWith(%C)> [concrete]
// CHECK:STDOUT: %EqWith.impl_witness: <witness> = impl_witness @C.as.EqWith.impl.%EqWith.impl_witness_table [concrete]
// CHECK:STDOUT: %pattern_type.518: type = pattern_type %C [concrete]
// CHECK:STDOUT: %Bool.type: type = fn_type @Bool [concrete]
// CHECK:STDOUT: %Bool: %Bool.type = struct_value () [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.Equal.type: type = fn_type @C.as.EqWith.impl.Equal [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.Equal: %C.as.EqWith.impl.Equal.type = struct_value () [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.NotEqual.type: type = fn_type @C.as.EqWith.impl.NotEqual [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.NotEqual: %C.as.EqWith.impl.NotEqual.type = struct_value () [concrete]
// CHECK:STDOUT: %EqWith.facet: %EqWith.type.7c3 = facet_value %C, (%EqWith.impl_witness) [concrete]
// CHECK:STDOUT: %EqWith.WithSelf.Equal.type.0fc: type = fn_type @EqWith.WithSelf.Equal, @EqWith.WithSelf(%C, %EqWith.facet) [concrete]
// CHECK:STDOUT: %EqWith.WithSelf.NotEqual.type.714: type = fn_type @EqWith.WithSelf.NotEqual, @EqWith.WithSelf(%C, %EqWith.facet) [concrete]
// CHECK:STDOUT: %TestEqual.type: type = fn_type @TestEqual [concrete]
// CHECK:STDOUT: %TestEqual: %TestEqual.type = struct_value () [concrete]
// CHECK:STDOUT: %.565: type = fn_type_with_self_type %EqWith.WithSelf.Equal.type.0fc, %EqWith.facet [concrete]
// CHECK:STDOUT: %TestNotEqual.type: type = fn_type @TestNotEqual [concrete]
// CHECK:STDOUT: %TestNotEqual: %TestNotEqual.type = struct_value () [concrete]
// CHECK:STDOUT: %.a65: type = fn_type_with_self_type %EqWith.WithSelf.NotEqual.type.714, %EqWith.facet [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .EqWith = %Core.EqWith
// CHECK:STDOUT: .Bool = %Core.Bool
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.EqWith: %EqWith.type.70a = import_ref Core//prelude/operators/comparison, EqWith, loaded [concrete = constants.%EqWith.generic]
// CHECK:STDOUT: %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .TestEqual = %TestEqual.decl
// CHECK:STDOUT: .TestNotEqual = %TestNotEqual.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: impl_decl @C.as.EqWith.impl [concrete] {} {
// CHECK:STDOUT: %C.ref.loc6_6: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
// CHECK:STDOUT: %EqWith.ref: %EqWith.type.70a = name_ref EqWith, imports.%Core.EqWith [concrete = constants.%EqWith.generic]
// CHECK:STDOUT: %C.ref.loc6_23: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %EqWith.type: type = facet_type <@EqWith, @EqWith(constants.%C)> [concrete = constants.%EqWith.type.7c3]
// CHECK:STDOUT: }
// CHECK:STDOUT: %TestEqual.decl: %TestEqual.type = fn_decl @TestEqual [concrete = constants.%TestEqual] {
// CHECK:STDOUT: %a.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.518 = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.518 = at_binding_pattern b, %b.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc11_29.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc11_29.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc11_29.2: Core.Form = init_form %.loc11_29.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %a.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc11_17: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %a: %C = value_binding a, %a.param
// CHECK:STDOUT: %b.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref.loc11_23: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %b: %C = value_binding b, %b.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %TestNotEqual.decl: %TestNotEqual.type = fn_decl @TestNotEqual [concrete = constants.%TestNotEqual] {
// CHECK:STDOUT: %a.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.518 = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.518 = at_binding_pattern b, %b.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc15_32.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc15_32.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc15_32.2: Core.Form = init_form %.loc15_32.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %a.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc15_20: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %a: %C = value_binding a, %a.param
// CHECK:STDOUT: %b.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref.loc15_26: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %b: %C = value_binding b, %b.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @C.as.EqWith.impl: %C.ref.loc6_6 as %EqWith.type {
// CHECK:STDOUT: %C.as.EqWith.impl.Equal.decl: %C.as.EqWith.impl.Equal.type = fn_decl @C.as.EqWith.impl.Equal [concrete = constants.%C.as.EqWith.impl.Equal] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt: %pattern_type.518 = at_binding_pattern self, %self.param_patt [concrete]
// CHECK:STDOUT: %other.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %other.patt: %pattern_type.518 = at_binding_pattern other, %other.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc7_34.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc7_34.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc7_34.2: Core.Form = init_form %.loc7_34.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %self.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc7_18: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %self: %C = value_binding self, %self.param
// CHECK:STDOUT: %other.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref.loc7_28: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %other: %C = value_binding other, %other.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.as.EqWith.impl.NotEqual.decl: %C.as.EqWith.impl.NotEqual.type = fn_decl @C.as.EqWith.impl.NotEqual [concrete = constants.%C.as.EqWith.impl.NotEqual] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt: %pattern_type.518 = at_binding_pattern self, %self.param_patt [concrete]
// CHECK:STDOUT: %other.param_patt: %pattern_type.518 = value_param_pattern [concrete]
// CHECK:STDOUT: %other.patt: %pattern_type.518 = at_binding_pattern other, %other.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc8_37.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc8_37.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc8_37.2: Core.Form = init_form %.loc8_37.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %self.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc8_21: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %self: %C = value_binding self, %self.param
// CHECK:STDOUT: %other.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref.loc8_31: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %other: %C = value_binding other, %other.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %EqWith.impl_witness_table = impl_witness_table (%C.as.EqWith.impl.Equal.decl, %C.as.EqWith.impl.NotEqual.decl), @C.as.EqWith.impl [concrete]
// CHECK:STDOUT: %EqWith.impl_witness: <witness> = impl_witness %EqWith.impl_witness_table [concrete = constants.%EqWith.impl_witness]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: .Equal = %C.as.EqWith.impl.Equal.decl
// CHECK:STDOUT: .NotEqual = %C.as.EqWith.impl.NotEqual.decl
// CHECK:STDOUT: extend %EqWith.type
// CHECK:STDOUT: witness = %EqWith.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// 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.%C
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.EqWith.impl.Equal(%self.param: %C, %other.param: %C) -> out %return.param: bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.EqWith.impl.NotEqual(%self.param: %C, %other.param: %C) -> out %return.param: bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestEqual(%a.param: %C, %b.param: %C) -> out %return.param: bool {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %C = name_ref a, %a
// CHECK:STDOUT: %b.ref: %C = name_ref b, %b
// CHECK:STDOUT: %impl.elem0: %.565 = impl_witness_access constants.%EqWith.impl_witness, element0 [concrete = constants.%C.as.EqWith.impl.Equal]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %a.ref, %impl.elem0
// CHECK:STDOUT: %C.as.EqWith.impl.Equal.call: init bool = call %bound_method(%a.ref, %b.ref)
// CHECK:STDOUT: return %C.as.EqWith.impl.Equal.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestNotEqual(%a.param: %C, %b.param: %C) -> out %return.param: bool {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %C = name_ref a, %a
// CHECK:STDOUT: %b.ref: %C = name_ref b, %b
// CHECK:STDOUT: %impl.elem1: %.a65 = impl_witness_access constants.%EqWith.impl_witness, element1 [concrete = constants.%C.as.EqWith.impl.NotEqual]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %a.ref, %impl.elem1
// CHECK:STDOUT: %C.as.EqWith.impl.NotEqual.call: init bool = call %bound_method(%a.ref, %b.ref)
// CHECK:STDOUT: return %C.as.EqWith.impl.NotEqual.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_no_impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %D: type = class_type @D [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.eaf: type = pattern_type %D [concrete]
// CHECK:STDOUT: %Bool.type: type = fn_type @Bool [concrete]
// CHECK:STDOUT: %Bool: %Bool.type = struct_value () [concrete]
// CHECK:STDOUT: %.f34: Core.Form = init_form bool [concrete]
// CHECK:STDOUT: %pattern_type.831: type = pattern_type bool [concrete]
// CHECK:STDOUT: %TestEqual.type: type = fn_type @TestEqual [concrete]
// CHECK:STDOUT: %TestEqual: %TestEqual.type = struct_value () [concrete]
// CHECK:STDOUT: %EqWith.type.70a: type = generic_interface_type @EqWith [concrete]
// CHECK:STDOUT: %EqWith.generic: %EqWith.type.70a = struct_value () [concrete]
// CHECK:STDOUT: %TestNotEqual.type: type = fn_type @TestNotEqual [concrete]
// CHECK:STDOUT: %TestNotEqual: %TestNotEqual.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Bool = %Core.Bool
// CHECK:STDOUT: .EqWith = %Core.EqWith
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
// CHECK:STDOUT: %Core.EqWith: %EqWith.type.70a = import_ref Core//prelude/operators/comparison, EqWith, loaded [concrete = constants.%EqWith.generic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .D = %D.decl
// CHECK:STDOUT: .TestEqual = %TestEqual.decl
// CHECK:STDOUT: .TestNotEqual = %TestNotEqual.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %D.decl: type = class_decl @D [concrete = constants.%D] {} {}
// CHECK:STDOUT: %TestEqual.decl: %TestEqual.type = fn_decl @TestEqual [concrete = constants.%TestEqual] {
// CHECK:STDOUT: %a.param_patt: %pattern_type.eaf = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.eaf = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.eaf = value_param_pattern [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.eaf = at_binding_pattern b, %b.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc6_29.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc6_29.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc6_29.2: Core.Form = init_form %.loc6_29.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %a.param: %D = value_param call_param0
// CHECK:STDOUT: %D.ref.loc6_17: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %a: %D = value_binding a, %a.param
// CHECK:STDOUT: %b.param: %D = value_param call_param1
// CHECK:STDOUT: %D.ref.loc6_23: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %b: %D = value_binding b, %b.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %TestNotEqual.decl: %TestNotEqual.type = fn_decl @TestNotEqual [concrete = constants.%TestNotEqual] {
// CHECK:STDOUT: %a.param_patt: %pattern_type.eaf = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.eaf = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.eaf = value_param_pattern [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.eaf = at_binding_pattern b, %b.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc14_32.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc14_32.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc14_32.2: Core.Form = init_form %.loc14_32.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %a.param: %D = value_param call_param0
// CHECK:STDOUT: %D.ref.loc14_20: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %a: %D = value_binding a, %a.param
// CHECK:STDOUT: %b.param: %D = value_param call_param1
// CHECK:STDOUT: %D.ref.loc14_26: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %b: %D = value_binding b, %b.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @D {
// 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.%D
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestEqual(%a.param: %D, %b.param: %D) -> out %return.param: bool {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %D = name_ref a, %a
// CHECK:STDOUT: %b.ref: %D = name_ref b, %b
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestNotEqual(%a.param: %D, %b.param: %D) -> out %return.param: bool {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %D = name_ref a, %a
// CHECK:STDOUT: %b.ref: %D = name_ref b, %b
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_no_impl_for_args.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %D: type = class_type @D [concrete]
// CHECK:STDOUT: %EqWith.type.70a: type = generic_interface_type @EqWith [concrete]
// CHECK:STDOUT: %EqWith.generic: %EqWith.type.70a = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.831: type = pattern_type bool [concrete]
// CHECK:STDOUT: %.f34: Core.Form = init_form bool [concrete]
// CHECK:STDOUT: %EqWith.type.1da: type = facet_type <@EqWith, @EqWith(%C)> [concrete]
// CHECK:STDOUT: %EqWith.impl_witness: <witness> = impl_witness @C.as.EqWith.impl.%EqWith.impl_witness_table [concrete]
// CHECK:STDOUT: %pattern_type.5b3: type = pattern_type %C [concrete]
// CHECK:STDOUT: %Bool.type: type = fn_type @Bool [concrete]
// CHECK:STDOUT: %Bool: %Bool.type = struct_value () [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.Equal.type: type = fn_type @C.as.EqWith.impl.Equal [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.Equal: %C.as.EqWith.impl.Equal.type = struct_value () [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.NotEqual.type: type = fn_type @C.as.EqWith.impl.NotEqual [concrete]
// CHECK:STDOUT: %C.as.EqWith.impl.NotEqual: %C.as.EqWith.impl.NotEqual.type = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.f56: type = pattern_type %D [concrete]
// CHECK:STDOUT: %TestRhsBad.type: type = fn_type @TestRhsBad [concrete]
// CHECK:STDOUT: %TestRhsBad: %TestRhsBad.type = struct_value () [concrete]
// CHECK:STDOUT: %TestLhsBad.type: type = fn_type @TestLhsBad [concrete]
// CHECK:STDOUT: %TestLhsBad: %TestLhsBad.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .EqWith = %Core.EqWith
// CHECK:STDOUT: .Bool = %Core.Bool
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.EqWith: %EqWith.type.70a = import_ref Core//prelude/operators/comparison, EqWith, loaded [concrete = constants.%EqWith.generic]
// CHECK:STDOUT: %Core.Bool: %Bool.type = import_ref Core//prelude/types/bool, Bool, loaded [concrete = constants.%Bool]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .D = %D.decl
// CHECK:STDOUT: .TestRhsBad = %TestRhsBad.decl
// CHECK:STDOUT: .TestLhsBad = %TestLhsBad.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %D.decl: type = class_decl @D [concrete = constants.%D] {} {}
// CHECK:STDOUT: impl_decl @C.as.EqWith.impl [concrete] {} {
// CHECK:STDOUT: %C.ref.loc7_6: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
// CHECK:STDOUT: %EqWith.ref: %EqWith.type.70a = name_ref EqWith, imports.%Core.EqWith [concrete = constants.%EqWith.generic]
// CHECK:STDOUT: %C.ref.loc7_23: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %EqWith.type: type = facet_type <@EqWith, @EqWith(constants.%C)> [concrete = constants.%EqWith.type.1da]
// CHECK:STDOUT: }
// CHECK:STDOUT: %TestRhsBad.decl: %TestRhsBad.type = fn_decl @TestRhsBad [concrete = constants.%TestRhsBad] {
// CHECK:STDOUT: %a.param_patt: %pattern_type.5b3 = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.5b3 = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.f56 = value_param_pattern [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.f56 = at_binding_pattern b, %b.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc12_30.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc12_30.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc12_30.2: Core.Form = init_form %.loc12_30.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %a.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %a: %C = value_binding a, %a.param
// CHECK:STDOUT: %b.param: %D = value_param call_param1
// CHECK:STDOUT: %D.ref: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %b: %D = value_binding b, %b.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %TestLhsBad.decl: %TestLhsBad.type = fn_decl @TestLhsBad [concrete = constants.%TestLhsBad] {
// CHECK:STDOUT: %a.param_patt: %pattern_type.f56 = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.f56 = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.5b3 = value_param_pattern [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.5b3 = at_binding_pattern b, %b.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc20_30.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc20_30.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc20_30.2: Core.Form = init_form %.loc20_30.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %a.param: %D = value_param call_param0
// CHECK:STDOUT: %D.ref: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %a: %D = value_binding a, %a.param
// CHECK:STDOUT: %b.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %b: %C = value_binding b, %b.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @C.as.EqWith.impl: %C.ref.loc7_6 as %EqWith.type {
// CHECK:STDOUT: %C.as.EqWith.impl.Equal.decl: %C.as.EqWith.impl.Equal.type = fn_decl @C.as.EqWith.impl.Equal [concrete = constants.%C.as.EqWith.impl.Equal] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.5b3 = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt: %pattern_type.5b3 = at_binding_pattern self, %self.param_patt [concrete]
// CHECK:STDOUT: %other.param_patt: %pattern_type.5b3 = value_param_pattern [concrete]
// CHECK:STDOUT: %other.patt: %pattern_type.5b3 = at_binding_pattern other, %other.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc8_34.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc8_34.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc8_34.2: Core.Form = init_form %.loc8_34.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %self.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc8_18: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %self: %C = value_binding self, %self.param
// CHECK:STDOUT: %other.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref.loc8_28: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %other: %C = value_binding other, %other.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.as.EqWith.impl.NotEqual.decl: %C.as.EqWith.impl.NotEqual.type = fn_decl @C.as.EqWith.impl.NotEqual [concrete = constants.%C.as.EqWith.impl.NotEqual] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.5b3 = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt: %pattern_type.5b3 = at_binding_pattern self, %self.param_patt [concrete]
// CHECK:STDOUT: %other.param_patt: %pattern_type.5b3 = value_param_pattern [concrete]
// CHECK:STDOUT: %other.patt: %pattern_type.5b3 = at_binding_pattern other, %other.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.831 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.831 = return_slot_pattern %return.param_patt, %.loc9_37.1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc9_37.1: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %.loc9_37.2: Core.Form = init_form %.loc9_37.1 [concrete = constants.%.f34]
// CHECK:STDOUT: %self.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc9_21: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %self: %C = value_binding self, %self.param
// CHECK:STDOUT: %other.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref.loc9_31: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %other: %C = value_binding other, %other.param
// CHECK:STDOUT: %return.param: ref bool = out_param call_param2
// CHECK:STDOUT: %return: ref bool = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %EqWith.impl_witness_table = impl_witness_table (%C.as.EqWith.impl.Equal.decl, %C.as.EqWith.impl.NotEqual.decl), @C.as.EqWith.impl [concrete]
// CHECK:STDOUT: %EqWith.impl_witness: <witness> = impl_witness %EqWith.impl_witness_table [concrete = constants.%EqWith.impl_witness]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: .Equal = %C.as.EqWith.impl.Equal.decl
// CHECK:STDOUT: .NotEqual = %C.as.EqWith.impl.NotEqual.decl
// CHECK:STDOUT: extend %EqWith.type
// CHECK:STDOUT: witness = %EqWith.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// 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.%C
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @D {
// 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.%D
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.EqWith.impl.Equal(%self.param: %C, %other.param: %C) -> out %return.param: bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.EqWith.impl.NotEqual(%self.param: %C, %other.param: %C) -> out %return.param: bool;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestRhsBad(%a.param: %C, %b.param: %D) -> out %return.param: bool {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %C = name_ref a, %a
// CHECK:STDOUT: %b.ref: %D = name_ref b, %b
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestLhsBad(%a.param: %D, %b.param: %C) -> out %return.param: bool {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %D = name_ref a, %a
// CHECK:STDOUT: %b.ref: %C = name_ref b, %b
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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