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carbon-lang/toolchain/check/testdata/impl/self_in_signature.carbon
T
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/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/impl/self_in_signature.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/self_in_signature.carbon
interface UseSelf {
fn F[self: Self](x: Self) -> Self;
}
class C {}
class D {}
impl C as UseSelf {
fn F[unused self: C](unused x: C) -> C { return {}; }
}
impl D as UseSelf {
fn F[unused self: Self](unused x: Self) -> Self { return {}; }
}
interface SelfNested {
fn F(x: (Self*, {.x: Self, .y: ()}));
}
impl C as SelfNested {
fn F(x: (C*, {.x: C, .y: ()}));
}
impl D as SelfNested {
fn F(x: (Self*, {.x: Self, .y: ()}));
}
// CHECK:STDOUT: --- self_in_signature.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %UseSelf.type: type = facet_type <@UseSelf> [concrete]
// CHECK:STDOUT: %Self.c92: %UseSelf.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Self.as_type.0de: type = facet_access_type %Self.c92 [symbolic]
// CHECK:STDOUT: %pattern_type.465: type = pattern_type %Self.as_type.0de [symbolic]
// CHECK:STDOUT: %.8d7: Core.Form = init_form %Self.as_type.0de [symbolic]
// CHECK:STDOUT: %UseSelf.WithSelf.F.type.b86: type = fn_type @UseSelf.WithSelf.F, @UseSelf.WithSelf(%Self.c92) [symbolic]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %UseSelf.WithSelf.F.b14: %UseSelf.WithSelf.F.type.b86 = struct_value () [symbolic]
// CHECK:STDOUT: %UseSelf.assoc_type: type = assoc_entity_type @UseSelf [concrete]
// CHECK:STDOUT: %assoc0.018: %UseSelf.assoc_type = assoc_entity element0, @UseSelf.WithSelf.%UseSelf.WithSelf.F.decl [concrete]
// 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: %UseSelf.impl_witness.30d: <witness> = impl_witness @C.as.UseSelf.impl.%UseSelf.impl_witness_table [concrete]
// CHECK:STDOUT: %pattern_type.d7b: type = pattern_type %C [concrete]
// CHECK:STDOUT: %.e64: Core.Form = init_form %C [concrete]
// CHECK:STDOUT: %C.as.UseSelf.impl.F.type: type = fn_type @C.as.UseSelf.impl.F [concrete]
// CHECK:STDOUT: %C.as.UseSelf.impl.F: %C.as.UseSelf.impl.F.type = struct_value () [concrete]
// CHECK:STDOUT: %UseSelf.facet.615: %UseSelf.type = facet_value %C, (%UseSelf.impl_witness.30d) [concrete]
// CHECK:STDOUT: %UseSelf.WithSelf.F.type.01d: type = fn_type @UseSelf.WithSelf.F, @UseSelf.WithSelf(%UseSelf.facet.615) [concrete]
// CHECK:STDOUT: %UseSelf.WithSelf.F.89f: %UseSelf.WithSelf.F.type.01d = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %UseSelf.impl_witness.346: <witness> = impl_witness @D.as.UseSelf.impl.%UseSelf.impl_witness_table [concrete]
// CHECK:STDOUT: %pattern_type.636: type = pattern_type %D [concrete]
// CHECK:STDOUT: %.54f: Core.Form = init_form %D [concrete]
// CHECK:STDOUT: %D.as.UseSelf.impl.F.type: type = fn_type @D.as.UseSelf.impl.F [concrete]
// CHECK:STDOUT: %D.as.UseSelf.impl.F: %D.as.UseSelf.impl.F.type = struct_value () [concrete]
// CHECK:STDOUT: %UseSelf.facet.44d: %UseSelf.type = facet_value %D, (%UseSelf.impl_witness.346) [concrete]
// CHECK:STDOUT: %UseSelf.WithSelf.F.type.135: type = fn_type @UseSelf.WithSelf.F, @UseSelf.WithSelf(%UseSelf.facet.44d) [concrete]
// CHECK:STDOUT: %UseSelf.WithSelf.F.612: %UseSelf.WithSelf.F.type.135 = struct_value () [concrete]
// CHECK:STDOUT: %D.val: %D = struct_value () [concrete]
// CHECK:STDOUT: %SelfNested.type: type = facet_type <@SelfNested> [concrete]
// CHECK:STDOUT: %Self.f72: %SelfNested.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Self.as_type.b0a: type = facet_access_type %Self.f72 [symbolic]
// CHECK:STDOUT: %ptr.9b4: type = ptr_type %Self.as_type.b0a [symbolic]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %struct_type.x.y.eb5: type = struct_type {.x: %Self.as_type.b0a, .y: %empty_tuple.type} [symbolic]
// CHECK:STDOUT: %tuple.type.24b: type = tuple_type (type, type) [concrete]
// CHECK:STDOUT: %tuple.27b: %tuple.type.24b = tuple_value (%ptr.9b4, %struct_type.x.y.eb5) [symbolic]
// CHECK:STDOUT: %tuple.type.bc0: type = tuple_type (%ptr.9b4, %struct_type.x.y.eb5) [symbolic]
// CHECK:STDOUT: %pattern_type.254: type = pattern_type %tuple.type.bc0 [symbolic]
// CHECK:STDOUT: %SelfNested.WithSelf.F.type.a41: type = fn_type @SelfNested.WithSelf.F, @SelfNested.WithSelf(%Self.f72) [symbolic]
// CHECK:STDOUT: %SelfNested.WithSelf.F.004: %SelfNested.WithSelf.F.type.a41 = struct_value () [symbolic]
// CHECK:STDOUT: %SelfNested.assoc_type: type = assoc_entity_type @SelfNested [concrete]
// CHECK:STDOUT: %assoc0.45a: %SelfNested.assoc_type = assoc_entity element0, @SelfNested.WithSelf.%SelfNested.WithSelf.F.decl [concrete]
// CHECK:STDOUT: %SelfNested.impl_witness.b56: <witness> = impl_witness @C.as.SelfNested.impl.%SelfNested.impl_witness_table [concrete]
// CHECK:STDOUT: %ptr.e38: type = ptr_type %C [concrete]
// CHECK:STDOUT: %struct_type.x.y.2b2: type = struct_type {.x: %C, .y: %empty_tuple.type} [concrete]
// CHECK:STDOUT: %tuple.a80: %tuple.type.24b = tuple_value (%ptr.e38, %struct_type.x.y.2b2) [concrete]
// CHECK:STDOUT: %tuple.type.4c8: type = tuple_type (%ptr.e38, %struct_type.x.y.2b2) [concrete]
// CHECK:STDOUT: %pattern_type.59a: type = pattern_type %tuple.type.4c8 [concrete]
// CHECK:STDOUT: %C.as.SelfNested.impl.F.type: type = fn_type @C.as.SelfNested.impl.F [concrete]
// CHECK:STDOUT: %C.as.SelfNested.impl.F: %C.as.SelfNested.impl.F.type = struct_value () [concrete]
// CHECK:STDOUT: %SelfNested.facet.066: %SelfNested.type = facet_value %C, (%SelfNested.impl_witness.b56) [concrete]
// CHECK:STDOUT: %SelfNested.WithSelf.F.type.cac: type = fn_type @SelfNested.WithSelf.F, @SelfNested.WithSelf(%SelfNested.facet.066) [concrete]
// CHECK:STDOUT: %SelfNested.WithSelf.F.7d8: %SelfNested.WithSelf.F.type.cac = struct_value () [concrete]
// CHECK:STDOUT: %SelfNested.impl_witness.bf8: <witness> = impl_witness @D.as.SelfNested.impl.%SelfNested.impl_witness_table [concrete]
// CHECK:STDOUT: %ptr.30b: type = ptr_type %D [concrete]
// CHECK:STDOUT: %struct_type.x.y.7d8: type = struct_type {.x: %D, .y: %empty_tuple.type} [concrete]
// CHECK:STDOUT: %tuple.9dc: %tuple.type.24b = tuple_value (%ptr.30b, %struct_type.x.y.7d8) [concrete]
// CHECK:STDOUT: %tuple.type.9f6: type = tuple_type (%ptr.30b, %struct_type.x.y.7d8) [concrete]
// CHECK:STDOUT: %pattern_type.feb: type = pattern_type %tuple.type.9f6 [concrete]
// CHECK:STDOUT: %D.as.SelfNested.impl.F.type: type = fn_type @D.as.SelfNested.impl.F [concrete]
// CHECK:STDOUT: %D.as.SelfNested.impl.F: %D.as.SelfNested.impl.F.type = struct_value () [concrete]
// CHECK:STDOUT: %SelfNested.facet.ece: %SelfNested.type = facet_value %D, (%SelfNested.impl_witness.bf8) [concrete]
// CHECK:STDOUT: %SelfNested.WithSelf.F.type.321: type = fn_type @SelfNested.WithSelf.F, @SelfNested.WithSelf(%SelfNested.facet.ece) [concrete]
// CHECK:STDOUT: %SelfNested.WithSelf.F.c36: %SelfNested.WithSelf.F.type.321 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .UseSelf = %UseSelf.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .D = %D.decl
// CHECK:STDOUT: .SelfNested = %SelfNested.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %UseSelf.decl: type = interface_decl @UseSelf [concrete = constants.%UseSelf.type] {} {}
// 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.UseSelf.impl [concrete] {} {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %UseSelf.ref: type = name_ref UseSelf, file.%UseSelf.decl [concrete = constants.%UseSelf.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: impl_decl @D.as.UseSelf.impl [concrete] {} {
// CHECK:STDOUT: %D.ref: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %UseSelf.ref: type = name_ref UseSelf, file.%UseSelf.decl [concrete = constants.%UseSelf.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %SelfNested.decl: type = interface_decl @SelfNested [concrete = constants.%SelfNested.type] {} {}
// CHECK:STDOUT: impl_decl @C.as.SelfNested.impl [concrete] {} {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %SelfNested.ref: type = name_ref SelfNested, file.%SelfNested.decl [concrete = constants.%SelfNested.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: impl_decl @D.as.SelfNested.impl [concrete] {} {
// CHECK:STDOUT: %D.ref: type = name_ref D, file.%D.decl [concrete = constants.%D]
// CHECK:STDOUT: %SelfNested.ref: type = name_ref SelfNested, file.%SelfNested.decl [concrete = constants.%SelfNested.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @UseSelf {
// CHECK:STDOUT: %Self: %UseSelf.type = symbolic_binding Self, 0 [symbolic = constants.%Self.c92]
// CHECK:STDOUT: %UseSelf.WithSelf.decl = interface_with_self_decl @UseSelf [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %UseSelf.WithSelf.F.decl: @UseSelf.WithSelf.%UseSelf.WithSelf.F.type (%UseSelf.WithSelf.F.type.b86) = fn_decl @UseSelf.WithSelf.F [symbolic = @UseSelf.WithSelf.%UseSelf.WithSelf.F (constants.%UseSelf.WithSelf.F.b14)] {
// CHECK:STDOUT: %self.param_patt: @UseSelf.WithSelf.F.%pattern_type (%pattern_type.465) = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt: @UseSelf.WithSelf.F.%pattern_type (%pattern_type.465) = at_binding_pattern self, %self.param_patt [concrete]
// CHECK:STDOUT: %x.param_patt: @UseSelf.WithSelf.F.%pattern_type (%pattern_type.465) = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: @UseSelf.WithSelf.F.%pattern_type (%pattern_type.465) = at_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: @UseSelf.WithSelf.F.%pattern_type (%pattern_type.465) = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: @UseSelf.WithSelf.F.%pattern_type (%pattern_type.465) = return_slot_pattern %return.param_patt, %.loc16_32.2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.ref.loc16_32: %UseSelf.type = name_ref Self, @UseSelf.%Self [symbolic = %Self (constants.%Self.c92)]
// CHECK:STDOUT: %Self.as_type.loc16_32: type = facet_access_type %Self.ref.loc16_32 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)]
// CHECK:STDOUT: %.loc16_32.2: type = converted %Self.ref.loc16_32, %Self.as_type.loc16_32 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)]
// CHECK:STDOUT: %.loc16_32.3: Core.Form = init_form %.loc16_32.2 [symbolic = %.loc16_32.1 (constants.%.8d7)]
// CHECK:STDOUT: %self.param: @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de) = value_param call_param0
// CHECK:STDOUT: %.loc16_14.1: type = splice_block %.loc16_14.2 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)] {
// CHECK:STDOUT: %Self.ref.loc16_14: %UseSelf.type = name_ref Self, @UseSelf.%Self [symbolic = %Self (constants.%Self.c92)]
// CHECK:STDOUT: %Self.as_type.loc16_14.2: type = facet_access_type %Self.ref.loc16_14 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)]
// CHECK:STDOUT: %.loc16_14.2: type = converted %Self.ref.loc16_14, %Self.as_type.loc16_14.2 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de) = value_binding self, %self.param
// CHECK:STDOUT: %x.param: @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de) = value_param call_param1
// CHECK:STDOUT: %.loc16_23.1: type = splice_block %.loc16_23.2 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)] {
// CHECK:STDOUT: %Self.ref.loc16_23: %UseSelf.type = name_ref Self, @UseSelf.%Self [symbolic = %Self (constants.%Self.c92)]
// CHECK:STDOUT: %Self.as_type.loc16_23: type = facet_access_type %Self.ref.loc16_23 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)]
// CHECK:STDOUT: %.loc16_23.2: type = converted %Self.ref.loc16_23, %Self.as_type.loc16_23 [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de) = value_binding x, %x.param
// CHECK:STDOUT: %return.param: ref @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de) = out_param call_param2
// CHECK:STDOUT: %return: ref @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %UseSelf.assoc_type = assoc_entity element0, %UseSelf.WithSelf.F.decl [concrete = constants.%assoc0.018]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = @UseSelf.WithSelf.%assoc0
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: witness = (@UseSelf.WithSelf.%UseSelf.WithSelf.F.decl)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @SelfNested {
// CHECK:STDOUT: %Self: %SelfNested.type = symbolic_binding Self, 0 [symbolic = constants.%Self.f72]
// CHECK:STDOUT: %SelfNested.WithSelf.decl = interface_with_self_decl @SelfNested [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %SelfNested.WithSelf.F.decl: @SelfNested.WithSelf.%SelfNested.WithSelf.F.type (%SelfNested.WithSelf.F.type.a41) = fn_decl @SelfNested.WithSelf.F [symbolic = @SelfNested.WithSelf.%SelfNested.WithSelf.F (constants.%SelfNested.WithSelf.F.004)] {
// CHECK:STDOUT: %x.param_patt: @SelfNested.WithSelf.F.%pattern_type (%pattern_type.254) = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: @SelfNested.WithSelf.F.%pattern_type (%pattern_type.254) = at_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: @SelfNested.WithSelf.F.%tuple.type (%tuple.type.bc0) = value_param call_param0
// CHECK:STDOUT: %.loc32_37.1: type = splice_block %.loc32_37.3 [symbolic = %tuple.type (constants.%tuple.type.bc0)] {
// CHECK:STDOUT: %Self.ref.loc32_12: %SelfNested.type = name_ref Self, @SelfNested.%Self [symbolic = %Self (constants.%Self.f72)]
// CHECK:STDOUT: %Self.as_type.loc32_16.2: type = facet_access_type %Self.ref.loc32_12 [symbolic = %Self.as_type.loc32_16.1 (constants.%Self.as_type.b0a)]
// CHECK:STDOUT: %.loc32_16: type = converted %Self.ref.loc32_12, %Self.as_type.loc32_16.2 [symbolic = %Self.as_type.loc32_16.1 (constants.%Self.as_type.b0a)]
// CHECK:STDOUT: %ptr.loc32_16.2: type = ptr_type %.loc32_16 [symbolic = %ptr.loc32_16.1 (constants.%ptr.9b4)]
// CHECK:STDOUT: %Self.ref.loc32_24: %SelfNested.type = name_ref Self, @SelfNested.%Self [symbolic = %Self (constants.%Self.f72)]
// CHECK:STDOUT: %Self.as_type.loc32_24: type = facet_access_type %Self.ref.loc32_24 [symbolic = %Self.as_type.loc32_16.1 (constants.%Self.as_type.b0a)]
// CHECK:STDOUT: %.loc32_24: type = converted %Self.ref.loc32_24, %Self.as_type.loc32_24 [symbolic = %Self.as_type.loc32_16.1 (constants.%Self.as_type.b0a)]
// CHECK:STDOUT: %.loc32_35.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc32_35.2: type = converted %.loc32_35.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %struct_type.x.y.loc32_36.2: type = struct_type {.x: @SelfNested.WithSelf.F.%Self.as_type.loc32_16.1 (%Self.as_type.b0a), .y: %empty_tuple.type} [symbolic = %struct_type.x.y.loc32_36.1 (constants.%struct_type.x.y.eb5)]
// CHECK:STDOUT: %.loc32_37.2: %tuple.type.24b = tuple_literal (%ptr.loc32_16.2, %struct_type.x.y.loc32_36.2) [symbolic = %tuple (constants.%tuple.27b)]
// CHECK:STDOUT: %.loc32_37.3: type = converted %.loc32_37.2, constants.%tuple.type.bc0 [symbolic = %tuple.type (constants.%tuple.type.bc0)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: @SelfNested.WithSelf.F.%tuple.type (%tuple.type.bc0) = value_binding x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %SelfNested.assoc_type = assoc_entity element0, %SelfNested.WithSelf.F.decl [concrete = constants.%assoc0.45a]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = @SelfNested.WithSelf.%assoc0
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: witness = (@SelfNested.WithSelf.%SelfNested.WithSelf.F.decl)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @C.as.UseSelf.impl: %C.ref as %UseSelf.ref {
// CHECK:STDOUT: %C.as.UseSelf.impl.F.decl: %C.as.UseSelf.impl.F.type = fn_decl @C.as.UseSelf.impl.F [concrete = constants.%C.as.UseSelf.impl.F] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.d7b = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt: %pattern_type.d7b = at_binding_pattern self, %self.param_patt [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.d7b = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.d7b = at_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.d7b = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.d7b = return_slot_pattern %return.param_patt, %C.ref.loc24_40 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %C.ref.loc24_40: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %.loc24_40: Core.Form = init_form %C.ref.loc24_40 [concrete = constants.%.e64]
// CHECK:STDOUT: %self.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc24_21: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %self: %C = value_binding self, %self.param
// CHECK:STDOUT: %x.param: %C = value_param call_param1
// CHECK:STDOUT: %C.ref.loc24_34: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %x: %C = value_binding x, %x.param
// CHECK:STDOUT: %return.param: ref %C = out_param call_param2
// CHECK:STDOUT: %return: ref %C = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %UseSelf.impl_witness_table = impl_witness_table (%C.as.UseSelf.impl.F.decl), @C.as.UseSelf.impl [concrete]
// CHECK:STDOUT: %UseSelf.impl_witness: <witness> = impl_witness %UseSelf.impl_witness_table [concrete = constants.%UseSelf.impl_witness.30d]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: .F = %C.as.UseSelf.impl.F.decl
// CHECK:STDOUT: extend %UseSelf.ref
// CHECK:STDOUT: witness = %UseSelf.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @D.as.UseSelf.impl: %D.ref as %UseSelf.ref {
// CHECK:STDOUT: %D.as.UseSelf.impl.F.decl: %D.as.UseSelf.impl.F.type = fn_decl @D.as.UseSelf.impl.F [concrete = constants.%D.as.UseSelf.impl.F] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.636 = value_param_pattern [concrete]
// CHECK:STDOUT: %self.patt: %pattern_type.636 = at_binding_pattern self, %self.param_patt [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.636 = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.636 = at_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.636 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.636 = return_slot_pattern %return.param_patt, %Self.ref.loc28_46 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.ref.loc28_46: type = name_ref Self, @D.as.UseSelf.impl.%D.ref [concrete = constants.%D]
// CHECK:STDOUT: %.loc28_46: Core.Form = init_form %Self.ref.loc28_46 [concrete = constants.%.54f]
// CHECK:STDOUT: %self.param: %D = value_param call_param0
// CHECK:STDOUT: %Self.ref.loc28_21: type = name_ref Self, @D.as.UseSelf.impl.%D.ref [concrete = constants.%D]
// CHECK:STDOUT: %self: %D = value_binding self, %self.param
// CHECK:STDOUT: %x.param: %D = value_param call_param1
// CHECK:STDOUT: %Self.ref.loc28_37: type = name_ref Self, @D.as.UseSelf.impl.%D.ref [concrete = constants.%D]
// CHECK:STDOUT: %x: %D = value_binding x, %x.param
// CHECK:STDOUT: %return.param: ref %D = out_param call_param2
// CHECK:STDOUT: %return: ref %D = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %UseSelf.impl_witness_table = impl_witness_table (%D.as.UseSelf.impl.F.decl), @D.as.UseSelf.impl [concrete]
// CHECK:STDOUT: %UseSelf.impl_witness: <witness> = impl_witness %UseSelf.impl_witness_table [concrete = constants.%UseSelf.impl_witness.346]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .F = %D.as.UseSelf.impl.F.decl
// CHECK:STDOUT: extend %UseSelf.ref
// CHECK:STDOUT: witness = %UseSelf.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @C.as.SelfNested.impl: %C.ref as %SelfNested.ref {
// CHECK:STDOUT: %C.as.SelfNested.impl.F.decl: %C.as.SelfNested.impl.F.type = fn_decl @C.as.SelfNested.impl.F [concrete = constants.%C.as.SelfNested.impl.F] {
// CHECK:STDOUT: %x.param_patt: %pattern_type.59a = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.59a = at_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: %tuple.type.4c8 = value_param call_param0
// CHECK:STDOUT: %.loc36_31.1: type = splice_block %.loc36_31.3 [concrete = constants.%tuple.type.4c8] {
// CHECK:STDOUT: %C.ref.loc36_12: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %ptr: type = ptr_type %C.ref.loc36_12 [concrete = constants.%ptr.e38]
// CHECK:STDOUT: %C.ref.loc36_21: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %.loc36_29.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc36_29.2: type = converted %.loc36_29.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %struct_type.x.y: type = struct_type {.x: %C, .y: %empty_tuple.type} [concrete = constants.%struct_type.x.y.2b2]
// CHECK:STDOUT: %.loc36_31.2: %tuple.type.24b = tuple_literal (%ptr, %struct_type.x.y) [concrete = constants.%tuple.a80]
// CHECK:STDOUT: %.loc36_31.3: type = converted %.loc36_31.2, constants.%tuple.type.4c8 [concrete = constants.%tuple.type.4c8]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: %tuple.type.4c8 = value_binding x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %SelfNested.impl_witness_table = impl_witness_table (%C.as.SelfNested.impl.F.decl), @C.as.SelfNested.impl [concrete]
// CHECK:STDOUT: %SelfNested.impl_witness: <witness> = impl_witness %SelfNested.impl_witness_table [concrete = constants.%SelfNested.impl_witness.b56]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: .F = %C.as.SelfNested.impl.F.decl
// CHECK:STDOUT: extend %SelfNested.ref
// CHECK:STDOUT: witness = %SelfNested.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @D.as.SelfNested.impl: %D.ref as %SelfNested.ref {
// CHECK:STDOUT: %D.as.SelfNested.impl.F.decl: %D.as.SelfNested.impl.F.type = fn_decl @D.as.SelfNested.impl.F [concrete = constants.%D.as.SelfNested.impl.F] {
// CHECK:STDOUT: %x.param_patt: %pattern_type.feb = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.feb = at_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %x.param: %tuple.type.9f6 = value_param call_param0
// CHECK:STDOUT: %.loc40_37.1: type = splice_block %.loc40_37.3 [concrete = constants.%tuple.type.9f6] {
// CHECK:STDOUT: %Self.ref.loc40_12: type = name_ref Self, @D.as.SelfNested.impl.%D.ref [concrete = constants.%D]
// CHECK:STDOUT: %ptr: type = ptr_type %Self.ref.loc40_12 [concrete = constants.%ptr.30b]
// CHECK:STDOUT: %Self.ref.loc40_24: type = name_ref Self, @D.as.SelfNested.impl.%D.ref [concrete = constants.%D]
// CHECK:STDOUT: %.loc40_35.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc40_35.2: type = converted %.loc40_35.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %struct_type.x.y: type = struct_type {.x: %D, .y: %empty_tuple.type} [concrete = constants.%struct_type.x.y.7d8]
// CHECK:STDOUT: %.loc40_37.2: %tuple.type.24b = tuple_literal (%ptr, %struct_type.x.y) [concrete = constants.%tuple.9dc]
// CHECK:STDOUT: %.loc40_37.3: type = converted %.loc40_37.2, constants.%tuple.type.9f6 [concrete = constants.%tuple.type.9f6]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: %tuple.type.9f6 = value_binding x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %SelfNested.impl_witness_table = impl_witness_table (%D.as.SelfNested.impl.F.decl), @D.as.SelfNested.impl [concrete]
// CHECK:STDOUT: %SelfNested.impl_witness: <witness> = impl_witness %SelfNested.impl_witness_table [concrete = constants.%SelfNested.impl_witness.bf8]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .F = %D.as.SelfNested.impl.F.decl
// CHECK:STDOUT: extend %SelfNested.ref
// CHECK:STDOUT: witness = %SelfNested.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: generic fn @UseSelf.WithSelf.F(@UseSelf.%Self: %UseSelf.type) {
// CHECK:STDOUT: %Self: %UseSelf.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self.c92)]
// CHECK:STDOUT: %Self.as_type.loc16_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc16_14.1 (constants.%Self.as_type.0de)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type.loc16_14.1 [symbolic = %pattern_type (constants.%pattern_type.465)]
// CHECK:STDOUT: %.loc16_32.1: Core.Form = init_form %Self.as_type.loc16_14.1 [symbolic = %.loc16_32.1 (constants.%.8d7)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de), %x.param: @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de)) -> out %return.param: @UseSelf.WithSelf.F.%Self.as_type.loc16_14.1 (%Self.as_type.0de);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.UseSelf.impl.F(%self.param: %C, %x.param: %C) -> out %return.param: %C {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc24_52.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc24_52.2: init %C to %return.param = class_init () [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc24_53: init %C = converted %.loc24_52.1, %.loc24_52.2 [concrete = constants.%C.val]
// CHECK:STDOUT: return %.loc24_53 to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @D.as.UseSelf.impl.F(%self.param: %D, %x.param: %D) -> out %return.param: %D {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc28_61.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc28_61.2: init %D to %return.param = class_init () [concrete = constants.%D.val]
// CHECK:STDOUT: %.loc28_62: init %D = converted %.loc28_61.1, %.loc28_61.2 [concrete = constants.%D.val]
// CHECK:STDOUT: return %.loc28_62 to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @SelfNested.WithSelf.F(@SelfNested.%Self: %SelfNested.type) {
// CHECK:STDOUT: %Self: %SelfNested.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self.f72)]
// CHECK:STDOUT: %Self.as_type.loc32_16.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc32_16.1 (constants.%Self.as_type.b0a)]
// CHECK:STDOUT: %ptr.loc32_16.1: type = ptr_type %Self.as_type.loc32_16.1 [symbolic = %ptr.loc32_16.1 (constants.%ptr.9b4)]
// CHECK:STDOUT: %struct_type.x.y.loc32_36.1: type = struct_type {.x: @SelfNested.WithSelf.F.%Self.as_type.loc32_16.1 (%Self.as_type.b0a), .y: %empty_tuple.type} [symbolic = %struct_type.x.y.loc32_36.1 (constants.%struct_type.x.y.eb5)]
// CHECK:STDOUT: %tuple: %tuple.type.24b = tuple_value (%ptr.loc32_16.1, %struct_type.x.y.loc32_36.1) [symbolic = %tuple (constants.%tuple.27b)]
// CHECK:STDOUT: %tuple.type: type = tuple_type (%ptr.loc32_16.1, %struct_type.x.y.loc32_36.1) [symbolic = %tuple.type (constants.%tuple.type.bc0)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %tuple.type [symbolic = %pattern_type (constants.%pattern_type.254)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%x.param: @SelfNested.WithSelf.F.%tuple.type (%tuple.type.bc0));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.as.SelfNested.impl.F(%x.param: %tuple.type.4c8);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @D.as.SelfNested.impl.F(%x.param: %tuple.type.9f6);
// CHECK:STDOUT:
// CHECK:STDOUT: specific @UseSelf.WithSelf(constants.%Self.c92) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self.c92
// CHECK:STDOUT: %UseSelf.WithSelf.F.type => constants.%UseSelf.WithSelf.F.type.b86
// CHECK:STDOUT: %UseSelf.WithSelf.F => constants.%UseSelf.WithSelf.F.b14
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @UseSelf.WithSelf.F(constants.%Self.c92) {
// CHECK:STDOUT: %Self => constants.%Self.c92
// CHECK:STDOUT: %Self.as_type.loc16_14.1 => constants.%Self.as_type.0de
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.465
// CHECK:STDOUT: %.loc16_32.1 => constants.%.8d7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @UseSelf.WithSelf(constants.%UseSelf.facet.615) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%UseSelf.facet.615
// CHECK:STDOUT: %UseSelf.WithSelf.F.type => constants.%UseSelf.WithSelf.F.type.01d
// CHECK:STDOUT: %UseSelf.WithSelf.F => constants.%UseSelf.WithSelf.F.89f
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @UseSelf.WithSelf.F(constants.%UseSelf.facet.615) {
// CHECK:STDOUT: %Self => constants.%UseSelf.facet.615
// CHECK:STDOUT: %Self.as_type.loc16_14.1 => constants.%C
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.d7b
// CHECK:STDOUT: %.loc16_32.1 => constants.%.e64
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @UseSelf.WithSelf(constants.%UseSelf.facet.44d) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%UseSelf.facet.44d
// CHECK:STDOUT: %UseSelf.WithSelf.F.type => constants.%UseSelf.WithSelf.F.type.135
// CHECK:STDOUT: %UseSelf.WithSelf.F => constants.%UseSelf.WithSelf.F.612
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @UseSelf.WithSelf.F(constants.%UseSelf.facet.44d) {
// CHECK:STDOUT: %Self => constants.%UseSelf.facet.44d
// CHECK:STDOUT: %Self.as_type.loc16_14.1 => constants.%D
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.636
// CHECK:STDOUT: %.loc16_32.1 => constants.%.54f
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @SelfNested.WithSelf(constants.%Self.f72) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self.f72
// CHECK:STDOUT: %SelfNested.WithSelf.F.type => constants.%SelfNested.WithSelf.F.type.a41
// CHECK:STDOUT: %SelfNested.WithSelf.F => constants.%SelfNested.WithSelf.F.004
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @SelfNested.WithSelf.F(constants.%Self.f72) {
// CHECK:STDOUT: %Self => constants.%Self.f72
// CHECK:STDOUT: %Self.as_type.loc32_16.1 => constants.%Self.as_type.b0a
// CHECK:STDOUT: %ptr.loc32_16.1 => constants.%ptr.9b4
// CHECK:STDOUT: %struct_type.x.y.loc32_36.1 => constants.%struct_type.x.y.eb5
// CHECK:STDOUT: %tuple => constants.%tuple.27b
// CHECK:STDOUT: %tuple.type => constants.%tuple.type.bc0
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.254
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @SelfNested.WithSelf(constants.%SelfNested.facet.066) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%SelfNested.facet.066
// CHECK:STDOUT: %SelfNested.WithSelf.F.type => constants.%SelfNested.WithSelf.F.type.cac
// CHECK:STDOUT: %SelfNested.WithSelf.F => constants.%SelfNested.WithSelf.F.7d8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @SelfNested.WithSelf.F(constants.%SelfNested.facet.066) {
// CHECK:STDOUT: %Self => constants.%SelfNested.facet.066
// CHECK:STDOUT: %Self.as_type.loc32_16.1 => constants.%C
// CHECK:STDOUT: %ptr.loc32_16.1 => constants.%ptr.e38
// CHECK:STDOUT: %struct_type.x.y.loc32_36.1 => constants.%struct_type.x.y.2b2
// CHECK:STDOUT: %tuple => constants.%tuple.a80
// CHECK:STDOUT: %tuple.type => constants.%tuple.type.4c8
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.59a
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @SelfNested.WithSelf(constants.%SelfNested.facet.ece) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%SelfNested.facet.ece
// CHECK:STDOUT: %SelfNested.WithSelf.F.type => constants.%SelfNested.WithSelf.F.type.321
// CHECK:STDOUT: %SelfNested.WithSelf.F => constants.%SelfNested.WithSelf.F.c36
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @SelfNested.WithSelf.F(constants.%SelfNested.facet.ece) {
// CHECK:STDOUT: %Self => constants.%SelfNested.facet.ece
// CHECK:STDOUT: %Self.as_type.loc32_16.1 => constants.%D
// CHECK:STDOUT: %ptr.loc32_16.1 => constants.%ptr.30b
// CHECK:STDOUT: %struct_type.x.y.loc32_36.1 => constants.%struct_type.x.y.7d8
// CHECK:STDOUT: %tuple => constants.%tuple.9dc
// CHECK:STDOUT: %tuple.type => constants.%tuple.type.9f6
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.feb
// CHECK:STDOUT: }
// CHECK:STDOUT:
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