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carbon-lang/toolchain/check/testdata/interface/fail_assoc_const_alias.carbon
T
Richard Smith cefa0397bb More fixes to package and library fingerprinting. (#7297) 
Fix import logic to make all imported packages be children of the
`NameScopeId::Package` scope. Previously, indirectly-imported packages
would end up as children of their importing package's scope, which
resulted in them not being treated as packages at all, and in particular
not being fingerprinted as packages.

Fixing that caused a failure in the fingerprinting logic as we started
to encounter packages with no correspoding import scopes. Instead of
looking for import scopes, use a simpler mechanism to map packages to
their package names, and clean up.

Unfortunately the latter change churns all the fingerprints again :(
Hopefully this is the last time for a while.
2026-06-04 17:41:46 +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/convert.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interface/fail_assoc_const_alias.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/fail_assoc_const_alias.carbon
// --- fail_alias_to_different_interface.carbon
library "[[@TEST_NAME]]";
interface I {
let T:! type;
}
interface J {
alias U = I.T;
// CHECK:STDERR: fail_alias_to_different_interface.carbon:[[@LINE+4]]:13: error: cannot convert type `Self` that implements `J` into type implementing `I` [ConversionFailureFacetToFacet]
// CHECK:STDERR: fn F() -> U;
// CHECK:STDERR: ^
// CHECK:STDERR:
fn F() -> U;
}
// --- alias_to_different_interface_with_requires.carbon
library "[[@TEST_NAME]]";
interface I2 {
let T2:! type;
}
interface J2;
impl forall [V:! J2] V as I2 where .T2 = () {}
//@dump-sem-ir-begin
interface J2 {
alias U2 = I2.T2;
fn F2() -> U2;
}
//@dump-sem-ir-end
// --- fail_call_method_alias.carbon
library "[[@TEST_NAME]]";
interface A {
fn F[self: Self]() -> type;
}
interface B {
alias F = A.F;
// CHECK:STDERR: fail_call_method_alias.carbon:[[@LINE+4]]:13: error: cannot convert type `Self` that implements `B` into type implementing `A` [ConversionFailureFacetToFacet]
// CHECK:STDERR: fn G() -> F();
// CHECK:STDERR: ^
// CHECK:STDERR:
fn G() -> F();
}
// --- call_with_compound_member_access.carbon
library "[[@TEST_NAME]]";
interface C {
fn F[self: Self]();
// TODO: Add `default` once supported.
fn G[self: Self]() {
//@dump-sem-ir-begin
self.F();
self.(F)();
//@dump-sem-ir-end
}
}
// CHECK:STDOUT: --- alias_to_different_interface_with_requires.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %I2.type: type = facet_type <@I2> [concrete]
// CHECK:STDOUT: %I2.assoc_type: type = assoc_entity_type @I2 [concrete]
// CHECK:STDOUT: %assoc0.d6c: %I2.assoc_type = assoc_entity element0, @I2.WithSelf.%T2 [concrete]
// CHECK:STDOUT: %J2.type: type = facet_type <@J2> [concrete]
// CHECK:STDOUT: %Self.c1f: %J2.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self.c1f [symbolic]
// CHECK:STDOUT: %I2.lookup_impl_witness.b5c: <witness> = lookup_impl_witness %Self.c1f, @I2 [symbolic]
// CHECK:STDOUT: %.eef: require_specific_def_type = require_specific_def @V.as_type.as.I2.impl(%Self.c1f) [symbolic]
// CHECK:STDOUT: %I2.facet.39b: %I2.type = facet_value %Self.as_type, (%I2.lookup_impl_witness.b5c) [symbolic]
// CHECK:STDOUT: %impl.elem0.422: type = impl_witness_access %I2.lookup_impl_witness.b5c, element0 [symbolic]
// CHECK:STDOUT: %.932: Core.Form = init_form %impl.elem0.422 [symbolic]
// CHECK:STDOUT: %pattern_type.ff8: type = pattern_type %impl.elem0.422 [symbolic]
// CHECK:STDOUT: %J2.WithSelf.F2.type: type = fn_type @J2.WithSelf.F2, @J2.WithSelf(%Self.c1f) [symbolic]
// CHECK:STDOUT: %J2.WithSelf.F2: %J2.WithSelf.F2.type = struct_value () [symbolic]
// CHECK:STDOUT: %J2.assoc_type: type = assoc_entity_type @J2 [concrete]
// CHECK:STDOUT: %assoc0.253: %J2.assoc_type = assoc_entity element0, @J2.WithSelf.%J2.WithSelf.F2.decl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %J2.decl.loc12: type = interface_decl @J2 [concrete = constants.%J2.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @J2 {
// CHECK:STDOUT: %Self: %J2.type = symbolic_binding Self, 0 [symbolic = constants.%Self.c1f]
// CHECK:STDOUT: %J2.WithSelf.decl = interface_with_self_decl @J2 [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %I2.ref: type = name_ref I2, file.%I2.decl [concrete = constants.%I2.type]
// CHECK:STDOUT: %T2.ref: %I2.assoc_type = name_ref T2, @T2.%assoc0 [concrete = constants.%assoc0.d6c]
// CHECK:STDOUT: %U2: %I2.assoc_type = alias_binding U2, %T2.ref [concrete = constants.%assoc0.d6c]
// CHECK:STDOUT: %J2.WithSelf.F2.decl: @J2.WithSelf.%J2.WithSelf.F2.type (%J2.WithSelf.F2.type) = fn_decl @J2.WithSelf.F2 [symbolic = @J2.WithSelf.%J2.WithSelf.F2 (constants.%J2.WithSelf.F2)] {
// CHECK:STDOUT: %return.param_patt: @J2.WithSelf.F2.%pattern_type (%pattern_type.ff8) = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: @J2.WithSelf.F2.%pattern_type (%pattern_type.ff8) = return_slot_pattern %return.param_patt, %U2.ref [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.as_type.loc14_14.2: type = facet_access_type @J2.%Self [symbolic = %Self.as_type.loc14_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT: %I2.facet.loc14_14.2: %I2.type = facet_value %Self.as_type.loc14_14.2, (constants.%I2.lookup_impl_witness.b5c) [symbolic = %I2.facet.loc14_14.1 (constants.%I2.facet.39b)]
// CHECK:STDOUT: %.loc14_14.3: %I2.type = converted @J2.%Self, %I2.facet.loc14_14.2 [symbolic = %I2.facet.loc14_14.1 (constants.%I2.facet.39b)]
// CHECK:STDOUT: %impl.elem0.loc14_14.2: type = impl_witness_access constants.%I2.lookup_impl_witness.b5c, element0 [symbolic = %impl.elem0.loc14_14.1 (constants.%impl.elem0.422)]
// CHECK:STDOUT: %U2.ref: type = name_ref U2, %impl.elem0.loc14_14.2 [symbolic = %impl.elem0.loc14_14.1 (constants.%impl.elem0.422)]
// CHECK:STDOUT: %.loc14_14.4: Core.Form = init_form %U2.ref [symbolic = %.loc14_14.2 (constants.%.932)]
// CHECK:STDOUT: %return.param: ref @J2.WithSelf.F2.%impl.elem0.loc14_14.1 (%impl.elem0.422) = out_param call_param0
// CHECK:STDOUT: %return: ref @J2.WithSelf.F2.%impl.elem0.loc14_14.1 (%impl.elem0.422) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %J2.assoc_type = assoc_entity element0, %J2.WithSelf.F2.decl [concrete = constants.%assoc0.253]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .I2 = <poisoned>
// CHECK:STDOUT: .I2 = <poisoned>
// CHECK:STDOUT: .U2 = @J2.WithSelf.%U2
// CHECK:STDOUT: .F2 = @J2.WithSelf.%assoc0
// CHECK:STDOUT: witness = (@J2.WithSelf.%J2.WithSelf.F2.decl)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @J2.WithSelf.F2(@J2.%Self: %J2.type) {
// CHECK:STDOUT: %Self: %J2.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self.c1f)]
// CHECK:STDOUT: %Self.as_type.loc14_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc14_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT: %.loc14_14.1: require_specific_def_type = require_specific_def @V.as_type.as.I2.impl(%Self) [symbolic = %.loc14_14.1 (constants.%.eef)]
// CHECK:STDOUT: %I2.lookup_impl_witness: <witness> = lookup_impl_witness %Self, @I2 [symbolic = %I2.lookup_impl_witness (constants.%I2.lookup_impl_witness.b5c)]
// CHECK:STDOUT: %I2.facet.loc14_14.1: %I2.type = facet_value %Self.as_type.loc14_14.1, (%I2.lookup_impl_witness) [symbolic = %I2.facet.loc14_14.1 (constants.%I2.facet.39b)]
// CHECK:STDOUT: %impl.elem0.loc14_14.1: type = impl_witness_access %I2.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc14_14.1 (constants.%impl.elem0.422)]
// CHECK:STDOUT: %.loc14_14.2: Core.Form = init_form %impl.elem0.loc14_14.1 [symbolic = %.loc14_14.2 (constants.%.932)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %impl.elem0.loc14_14.1 [symbolic = %pattern_type (constants.%pattern_type.ff8)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param: @J2.WithSelf.F2.%impl.elem0.loc14_14.1 (%impl.elem0.422);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @J2.WithSelf(constants.%Self.c1f) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @J2.WithSelf.F2(constants.%Self.c1f) {
// CHECK:STDOUT: %Self => constants.%Self.c1f
// CHECK:STDOUT: %Self.as_type.loc14_14.1 => constants.%Self.as_type
// CHECK:STDOUT: %.loc14_14.1 => constants.%.eef
// CHECK:STDOUT: %I2.lookup_impl_witness => constants.%I2.lookup_impl_witness.b5c
// CHECK:STDOUT: %I2.facet.loc14_14.1 => constants.%I2.facet.39b
// CHECK:STDOUT: %impl.elem0.loc14_14.1 => constants.%impl.elem0.422
// CHECK:STDOUT: %.loc14_14.2 => constants.%.932
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.ff8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- call_with_compound_member_access.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C.type: type = facet_type <@C> [concrete]
// CHECK:STDOUT: %Self: %C.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self [symbolic]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type [symbolic]
// CHECK:STDOUT: %C.WithSelf.F.type: type = fn_type @C.WithSelf.F, @C.WithSelf(%Self) [symbolic]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C.WithSelf.F: %C.WithSelf.F.type = struct_value () [symbolic]
// CHECK:STDOUT: %C.assoc_type: type = assoc_entity_type @C [concrete]
// CHECK:STDOUT: %assoc0: %C.assoc_type = assoc_entity element0, @C.WithSelf.%C.WithSelf.F.decl [concrete]
// CHECK:STDOUT: %C.WithSelf.G.type: type = fn_type @C.WithSelf.G, @C.WithSelf(%Self) [symbolic]
// CHECK:STDOUT: %C.WithSelf.G: %C.WithSelf.G.type = struct_value () [symbolic]
// CHECK:STDOUT: %C.lookup_impl_witness: <witness> = lookup_impl_witness %Self, @C [symbolic]
// CHECK:STDOUT: %.b5a: type = fn_type_with_self_type %C.WithSelf.F.type, %Self [symbolic]
// CHECK:STDOUT: %impl.elem0: %.b5a = impl_witness_access %C.lookup_impl_witness, element0 [symbolic]
// CHECK:STDOUT: %specific_impl_fn: <specific function> = specific_impl_function %impl.elem0, @C.WithSelf.F(%Self) [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @C {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = @C.WithSelf.%assoc0
// CHECK:STDOUT: .G = @C.WithSelf.%assoc1
// CHECK:STDOUT: witness = (@C.WithSelf.%C.WithSelf.F.decl, @C.WithSelf.%C.WithSelf.G.decl)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.WithSelf.G(@C.%Self: %C.type) {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %C.WithSelf.F.type: type = fn_type @C.WithSelf.F, @C.WithSelf(%Self) [symbolic = %C.WithSelf.F.type (constants.%C.WithSelf.F.type)]
// CHECK:STDOUT: %.loc8: type = fn_type_with_self_type %C.WithSelf.F.type, %Self [symbolic = %.loc8 (constants.%.b5a)]
// CHECK:STDOUT: %C.lookup_impl_witness: <witness> = lookup_impl_witness %Self, @C [symbolic = %C.lookup_impl_witness (constants.%C.lookup_impl_witness)]
// CHECK:STDOUT: %impl.elem0.loc8_9.2: @C.WithSelf.G.%.loc8 (%.b5a) = impl_witness_access %C.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc8_9.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %specific_impl_fn.loc8_9.2: <specific function> = specific_impl_function %impl.elem0.loc8_9.2, @C.WithSelf.F(%Self) [symbolic = %specific_impl_fn.loc8_9.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @C.WithSelf.G.%Self.as_type.loc6_14.1 (%Self.as_type)) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref.loc8: @C.WithSelf.G.%Self.as_type.loc6_14.1 (%Self.as_type) = name_ref self, %self
// CHECK:STDOUT: %F.ref.loc8: %C.assoc_type = name_ref F, @C.WithSelf.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0.loc8_9.1: @C.WithSelf.G.%.loc8 (%.b5a) = impl_witness_access constants.%C.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc8_9.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %bound_method.loc8_9: <bound method> = bound_method %self.ref.loc8, %impl.elem0.loc8_9.1
// CHECK:STDOUT: %specific_impl_fn.loc8_9.1: <specific function> = specific_impl_function %impl.elem0.loc8_9.1, @C.WithSelf.F(constants.%Self) [symbolic = %specific_impl_fn.loc8_9.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT: %bound_method.loc8_12: <bound method> = bound_method %self.ref.loc8, %specific_impl_fn.loc8_9.1
// CHECK:STDOUT: %C.WithSelf.F.call.loc8: init %empty_tuple.type = call %bound_method.loc8_12(%self.ref.loc8)
// CHECK:STDOUT: %self.ref.loc9: @C.WithSelf.G.%Self.as_type.loc6_14.1 (%Self.as_type) = name_ref self, %self
// CHECK:STDOUT: %impl.elem0.loc9: @C.WithSelf.G.%.loc8 (%.b5a) = impl_witness_access constants.%C.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc8_9.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %F.ref.loc9: @C.WithSelf.G.%.loc8 (%.b5a) = name_ref F, %impl.elem0.loc9 [symbolic = %impl.elem0.loc8_9.2 (constants.%impl.elem0)]
// CHECK:STDOUT: %bound_method.loc9_9: <bound method> = bound_method %self.ref.loc9, %F.ref.loc9
// CHECK:STDOUT: %specific_impl_fn.loc9: <specific function> = specific_impl_function %F.ref.loc9, @C.WithSelf.F(constants.%Self) [symbolic = %specific_impl_fn.loc8_9.2 (constants.%specific_impl_fn)]
// CHECK:STDOUT: %bound_method.loc9_14: <bound method> = bound_method %self.ref.loc9, %specific_impl_fn.loc9
// CHECK:STDOUT: %C.WithSelf.F.call.loc9: init %empty_tuple.type = call %bound_method.loc9_14(%self.ref.loc9)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.WithSelf(constants.%Self) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self
// CHECK:STDOUT: %C.WithSelf.F.type => constants.%C.WithSelf.F.type
// CHECK:STDOUT: %C.WithSelf.F => constants.%C.WithSelf.F
// CHECK:STDOUT: %C.WithSelf.G.type => constants.%C.WithSelf.G.type
// CHECK:STDOUT: %C.WithSelf.G => constants.%C.WithSelf.G
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.WithSelf.G(constants.%Self) {
// CHECK:STDOUT: %Self => constants.%Self
// CHECK:STDOUT: %Self.as_type.loc6_14.1 => constants.%Self.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
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