mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-27 20:50:10 +01:00
Elliott Kalt
58de34e534
Decouples associated constants from being special cased in let handlers. Enforces associated constant grammar restrictions in parsing instead of checking. Closes #5411
286 lines
14 KiB
Plaintext
286 lines
14 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
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// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
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// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/fail_undefined_interface.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/fail_undefined_interface.carbon
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// --- fail_empty_struct.carbon
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library "[[@TEST_NAME]]";
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interface I;
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// CHECK:STDERR: fail_empty_struct.carbon:[[@LINE+7]]:1: error: definition of impl as incomplete facet type `I` [ImplAsIncompleteFacetTypeDefinition]
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// CHECK:STDERR: impl {} as I {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~
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// CHECK:STDERR: fail_empty_struct.carbon:[[@LINE-4]]:1: note: interface was forward declared here [InterfaceForwardDeclaredHere]
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// CHECK:STDERR: interface I;
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// CHECK:STDERR: ^~~~~~~~~~~~
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// CHECK:STDERR:
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impl {} as I {}
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// --- fail_class.carbon
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library "[[@TEST_NAME]]";
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interface J;
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class C {}
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// CHECK:STDERR: fail_class.carbon:[[@LINE+7]]:1: error: definition of impl as incomplete facet type `J` [ImplAsIncompleteFacetTypeDefinition]
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// CHECK:STDERR: impl C as J {}
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// CHECK:STDERR: ^~~~~~~~~~~~~
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// CHECK:STDERR: fail_class.carbon:[[@LINE-5]]:1: note: interface was forward declared here [InterfaceForwardDeclaredHere]
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// CHECK:STDERR: interface J;
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// CHECK:STDERR: ^~~~~~~~~~~~
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// CHECK:STDERR:
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impl C as J {}
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// --- fail_incomplete_where.carbon
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library "[[@TEST_NAME]]";
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class C {}
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interface I {}
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interface Incomplete;
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// CHECK:STDERR: fail_incomplete_where.carbon:[[@LINE+7]]:1: error: definition of impl as incomplete facet type `I where .Self impls Incomplete` [ImplAsIncompleteFacetTypeDefinition]
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// CHECK:STDERR: impl C as I where .Self impls Incomplete {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_incomplete_where.carbon:[[@LINE-5]]:1: note: interface was forward declared here [InterfaceForwardDeclaredHere]
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// CHECK:STDERR: interface Incomplete;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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impl C as I where .Self impls Incomplete {}
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// --- fail_declaration_incomplete_where_rewrite.carbon
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library "[[@TEST_NAME]]";
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class C {}
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interface J { let T:! type; }
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interface Incomplete;
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// CHECK:STDERR: fail_declaration_incomplete_where_rewrite.carbon:[[@LINE+7]]:1: error: declaration of impl as incomplete facet type `J where .Self impls Incomplete and .(J.T) = ()` with rewrites [ImplAsIncompleteFacetTypeRewrites]
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// CHECK:STDERR: impl C as J where .Self impls Incomplete and .T = ();
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_declaration_incomplete_where_rewrite.carbon:[[@LINE-5]]:1: note: interface was forward declared here [InterfaceForwardDeclaredHere]
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// CHECK:STDERR: interface Incomplete;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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impl C as J where .Self impls Incomplete and .T = ();
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// CHECK:STDOUT: --- fail_empty_struct.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
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// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .I = %I.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
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// CHECK:STDOUT: impl_decl @empty_struct_type.as.I.impl [concrete] {} {
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// CHECK:STDOUT: %.loc12_7.1: %empty_struct_type = struct_literal ()
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// CHECK:STDOUT: %.loc12_7.2: type = converted %.loc12_7.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
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// CHECK:STDOUT: %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I;
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// CHECK:STDOUT:
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// CHECK:STDOUT: impl @empty_struct_type.as.I.impl: %.loc12_7.2 as %I.ref {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: witness = <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_class.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %J.type: type = facet_type <@J> [concrete]
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// CHECK:STDOUT: %C: type = class_type @C [concrete]
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// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .J = %J.decl
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// CHECK:STDOUT: .C = %C.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %J.decl: type = interface_decl @J [concrete = constants.%J.type] {} {}
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// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
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// CHECK:STDOUT: impl_decl @C.as.J.impl [concrete] {} {
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// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
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// CHECK:STDOUT: %J.ref: type = name_ref J, file.%J.decl [concrete = constants.%J.type]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @J;
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// CHECK:STDOUT:
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// CHECK:STDOUT: impl @C.as.J.impl: %C.ref as %J.ref {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: witness = <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @C {
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
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// CHECK:STDOUT: complete_type_witness = %complete_type
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%C
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_incomplete_where.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %C: type = class_type @C [concrete]
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// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
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// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
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// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
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// CHECK:STDOUT: %Incomplete.type: type = facet_type <@Incomplete> [concrete]
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// CHECK:STDOUT: %.Self: %I.type = bind_symbolic_name .Self [symbolic_self]
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// CHECK:STDOUT: %.Self.as_type: type = facet_access_type %.Self [symbolic_self]
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// CHECK:STDOUT: %I_where.type: type = facet_type <@I where .Self impls @Incomplete> [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .C = %C.decl
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// CHECK:STDOUT: .I = %I.decl
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// CHECK:STDOUT: .Incomplete = %Incomplete.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
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// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
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// CHECK:STDOUT: %Incomplete.decl: type = interface_decl @Incomplete [concrete = constants.%Incomplete.type] {} {}
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// CHECK:STDOUT: impl_decl @C.as.I.impl [concrete] {} {
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// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
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// CHECK:STDOUT: %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
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// CHECK:STDOUT: %.Self: %I.type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
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// CHECK:STDOUT: %.Self.ref: %I.type = name_ref .Self, %.Self [symbolic_self = constants.%.Self]
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// CHECK:STDOUT: %Incomplete.ref: type = name_ref Incomplete, file.%Incomplete.decl [concrete = constants.%Incomplete.type]
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// CHECK:STDOUT: %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %.loc15_19: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %.loc15_13: type = where_expr %.Self [concrete = constants.%I_where.type] {
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// CHECK:STDOUT: requirement_base_facet_type constants.%I.type
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// CHECK:STDOUT: requirement_impls %.loc15_19, %Incomplete.ref
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I {
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// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = %Self
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// CHECK:STDOUT: witness = ()
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @Incomplete;
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// CHECK:STDOUT:
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// CHECK:STDOUT: impl @C.as.I.impl: %C.ref as %.loc15_13 {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: witness = <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @C {
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
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// CHECK:STDOUT: complete_type_witness = %complete_type
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%C
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_declaration_incomplete_where_rewrite.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %C: type = class_type @C [concrete]
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// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
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// CHECK:STDOUT: %J.type: type = facet_type <@J> [concrete]
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// CHECK:STDOUT: %Self: %J.type = bind_symbolic_name Self, 0 [symbolic]
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// CHECK:STDOUT: %J.assoc_type: type = assoc_entity_type @J [concrete]
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// CHECK:STDOUT: %assoc0: %J.assoc_type = assoc_entity element0, @J.%T [concrete]
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// CHECK:STDOUT: %Incomplete.type: type = facet_type <@Incomplete> [concrete]
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// CHECK:STDOUT: %.Self: %J.type = bind_symbolic_name .Self [symbolic_self]
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// CHECK:STDOUT: %.Self.as_type: type = facet_access_type %.Self [symbolic_self]
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// CHECK:STDOUT: %J.lookup_impl_witness: <witness> = lookup_impl_witness %.Self, @J [symbolic_self]
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// CHECK:STDOUT: %J.facet: %J.type = facet_value %.Self.as_type, (%J.lookup_impl_witness) [symbolic_self]
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// CHECK:STDOUT: %impl.elem0: type = impl_witness_access %J.lookup_impl_witness, element0 [symbolic_self]
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %J_where.type: type = facet_type <@J where .Self impls @Incomplete and %impl.elem0 = %empty_tuple.type> [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .C = %C.decl
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// CHECK:STDOUT: .J = %J.decl
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// CHECK:STDOUT: .Incomplete = %Incomplete.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
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// CHECK:STDOUT: %J.decl: type = interface_decl @J [concrete = constants.%J.type] {} {}
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// CHECK:STDOUT: %Incomplete.decl: type = interface_decl @Incomplete [concrete = constants.%Incomplete.type] {} {}
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// CHECK:STDOUT: impl_decl @C.as.J.impl [concrete] {} {
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// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
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// CHECK:STDOUT: %J.ref: type = name_ref J, file.%J.decl [concrete = constants.%J.type]
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// CHECK:STDOUT: %.Self: %J.type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
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// CHECK:STDOUT: %.Self.ref.loc15_19: %J.type = name_ref .Self, %.Self [symbolic_self = constants.%.Self]
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// CHECK:STDOUT: %Incomplete.ref: type = name_ref Incomplete, file.%Incomplete.decl [concrete = constants.%Incomplete.type]
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// CHECK:STDOUT: %.Self.as_type.loc15_19: type = facet_access_type %.Self.ref.loc15_19 [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %.loc15_19: type = converted %.Self.ref.loc15_19, %.Self.as_type.loc15_19 [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %.Self.ref.loc15_46: %J.type = name_ref .Self, %.Self [symbolic_self = constants.%.Self]
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// CHECK:STDOUT: %T.ref: %J.assoc_type = name_ref T, @T.%assoc0 [concrete = constants.%assoc0]
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// CHECK:STDOUT: %.Self.as_type.loc15_46: type = facet_access_type %.Self.ref.loc15_46 [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %.loc15_46: type = converted %.Self.ref.loc15_46, %.Self.as_type.loc15_46 [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %impl.elem0: type = impl_witness_access constants.%J.lookup_impl_witness, element0 [symbolic_self = constants.%impl.elem0]
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// CHECK:STDOUT: %.loc15_52.1: %empty_tuple.type = tuple_literal ()
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// CHECK:STDOUT: %.loc15_52.2: type = converted %.loc15_52.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
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// CHECK:STDOUT: %.loc15_13: type = where_expr %.Self [concrete = constants.%J_where.type] {
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// CHECK:STDOUT: requirement_base_facet_type constants.%J.type
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// CHECK:STDOUT: requirement_impls %.loc15_19, %Incomplete.ref
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// CHECK:STDOUT: requirement_rewrite %impl.elem0, %.loc15_52.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @J {
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// CHECK:STDOUT: %Self: %J.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
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// CHECK:STDOUT: %T: type = assoc_const_decl @T [concrete] {
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// CHECK:STDOUT: %assoc0: %J.assoc_type = assoc_entity element0, @J.%T [concrete = constants.%assoc0]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = %Self
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// CHECK:STDOUT: .T = @T.%assoc0
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// CHECK:STDOUT: witness = (%T)
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @Incomplete;
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// CHECK:STDOUT:
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// CHECK:STDOUT: generic assoc_const @T(@J.%Self: %J.type) {
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// CHECK:STDOUT: assoc_const T:! type;
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: impl @C.as.J.impl: %C.ref as %.loc15_13;
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @C {
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
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// CHECK:STDOUT: complete_type_witness = %complete_type
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%C
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @T(constants.%Self) {}
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @T(constants.%J.facet) {}
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// CHECK:STDOUT:
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