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carbon-lang/toolchain/check/testdata/choice/basic.carbon
T
Chandler Carruth 2c9739799b Render diagnostics through the terminal library (#7683) 
Diagnostic rendering was part of the data model: `Loc::FormatLocation`
and
`Loc::FormatSnippet` wrote plain text to a stream, so no capability,
color, or
terminal width could reach them.

A diagnostic is now one message with labels, contexts, and location
information
attached, and `Diagnostics::Renderer` draws it into a
`Terminal::Buffer`. The
design is in `toolchain/docs/diagnostics_rendering.md` (#7668),
authoring in
`toolchain/docs/diagnostics.md`.

Before:

```
example.carbon:6:3: error: 1 argument passed to function expecting 0 arguments
  Run0(1);
  ^~~~~~~
example.carbon:3:1: note: calling function declared here
fn Run0() {}
^~~~~~~~~~~
```

After:

```
error: 1 argument passed to function expecting 0 arguments
       ╭─┤ example.carbon:6:3
       ┆
     3 │ fn Run0() {}
       · ─────┬─────
       ·      ╰──┤ calling function declared here
       ┆
->   6 │   Run0(1);
       ·   ───────
       ╰────────────
```

`--no-diagnostic-snippets` gives a compact form, `example.carbon:6:3-9`.
File
tests use it; the rendering tests under `toolchain/diagnostics/testdata`
ask for
snippets.

C++ interop diagnostics are data now rather than text Clang drew:
`SemIR::ClangSourceLocId` names a `clang::SourceRange`, and a Clang
location is
marked as the point it names.

`StreamConsumer` moves to a `:renderer` target that `:emitter` does not
depend
on, keeping `common/terminal` out of `consumer.h`. Capabilities come
from the
file behind the error stream, so tests get plain ASCII.

`renderer_fuzzer` draws diagnostics built from fuzzer bytes with every
capability combination, since a shape the renderer doesn't expect must
never be
why the compiler dies while reporting a problem.

TODOs mark the follow-ups: line weights and crossing lines, wrapping
that keeps
a quoted type whole, and ordering diagnostics that share a byte offset.

Also: `IncorrectExtension`'s hint moves into its message, since its note
had no
location of its own, and `strip_noise` in `check_diagnostics.py` blanks
multi-line `#define`s instead of deleting them.

Assisted-by: Claude Code
2026-10-15 06:08:57 +00:00

367 lines
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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/uint.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/choice/basic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/choice/basic.carbon
// --- no_alternative.carbon
library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
choice Never {}
//@dump-sem-ir-end
// --- one_alternative.carbon
library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
choice Always {
Sunny
}
let mood: Always = Always.Sunny;
//@dump-sem-ir-end
// --- multiple_alternatives.carbon
library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
choice Ordering {
Less,
Equivalent,
Greater,
Incomparable
}
let less: Ordering = Ordering.Less;
let equiv: Ordering = Ordering.Equivalent;
let greater: Ordering = Ordering.Greater;
let inc: Ordering = Ordering.Incomparable;
//@dump-sem-ir-end
// --- destroy.carbon
library "[[@TEST_NAME]]";
choice Ordering {
Less,
Equivalent,
Greater
}
fn Make() -> Ordering;
fn F() {
var _: Ordering = Make();
}
// --- fail_no_alternative_construct.carbon
library "[[@TEST_NAME]]";
choice Never {}
// TODO: Can we produce a better diagnostic?
// CHECK:STDERR: fail_no_alternative_construct.carbon:[[@LINE+2]]:20-21: error: missing value for field `discriminant` in struct initialization [StructInitMissingFieldInLiteral]
// CHECK:STDERR:
let never: Never = {};
// CHECK:STDOUT: --- no_alternative.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %Never: type = class_type @Never [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %struct_type.discriminant: type = struct_type {.discriminant: %empty_tuple.type} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.discriminant [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %Never.decl: type = class_decl @Never [concrete = constants.%Never] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Never {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.discriminant [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Never
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- one_alternative.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %Always: type = class_type @Always [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %struct_type.discriminant: type = struct_type {.discriminant: %empty_tuple.type} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.discriminant [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %struct: %struct_type.discriminant = struct_value (%empty_tuple) [concrete]
// CHECK:STDOUT: %Always.val: %Always = struct_value (%empty_tuple) [concrete]
// CHECK:STDOUT: %.302: ref %Always = temporary invalid, %Always.val [concrete]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Always [concrete]
// CHECK:STDOUT: %mood.patt: %pattern_type = value_binding_pattern mood [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %Always.decl: type = class_decl @Always [concrete = constants.%Always] {} {}
// CHECK:STDOUT: %Always.ref: type = name_ref Always, %Always.decl [concrete = constants.%Always]
// CHECK:STDOUT: %mood: %Always = wrapper_binding mood, @__global_init.%Sunny.ref
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %mood.patt: %pattern_type = value_binding_pattern mood [concrete = constants.%mood.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Always {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.discriminant [concrete = constants.%complete_type]
// CHECK:STDOUT: %.loc6_1.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc6_1.2: %empty_tuple.type = converted %.loc6_1.1, %empty_tuple [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc6_1.3: %struct_type.discriminant = struct_literal (%.loc6_1.2) [concrete = constants.%struct]
// CHECK:STDOUT: %.loc6_1.4: ref %Always = temporary_storage
// CHECK:STDOUT: %.loc6_1.5: ref %empty_tuple.type = class_element_access %.loc6_1.4, element0
// CHECK:STDOUT: %.loc6_1.6: init %empty_tuple.type to %.loc6_1.5 = tuple_init () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc6_1.7: init %empty_tuple.type = converted %.loc6_1.2, %.loc6_1.6 [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc6_1.8: init %empty_tuple.type to %.loc6_1.5 = in_place_init %.loc6_1.7 [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc6_1.9: init %Always to %.loc6_1.4 = class_init (%.loc6_1.8) [concrete = constants.%Always.val]
// CHECK:STDOUT: %.loc6_1.10: init %Always = converted %.loc6_1.3, %.loc6_1.9 [concrete = constants.%Always.val]
// CHECK:STDOUT: %.loc6_1.11: ref %Always = temporary %.loc6_1.4, %.loc6_1.10 [concrete = constants.%.302]
// CHECK:STDOUT: %.loc6_1.12: %Always = acquire_value %.loc6_1.11 [concrete = constants.%Always.val]
// CHECK:STDOUT: %Sunny: %Always = wrapper_binding Sunny, %.loc6_1.12
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Always
// CHECK:STDOUT: .Sunny = %Sunny
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Always.ref: type = name_ref Always, file.%Always.decl [concrete = constants.%Always]
// CHECK:STDOUT: %Sunny.ref: %Always = name_ref Sunny, @Always.%Sunny
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- multiple_alternatives.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %Ordering: type = class_type @Ordering [concrete]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %u2: type = class_type @UInt, @UInt(%int_2.ecc) [concrete]
// CHECK:STDOUT: %struct_type.discriminant: type = struct_type {.discriminant: %u2} [concrete]
// CHECK:STDOUT: %complete_type.b66: <witness> = complete_type_witness %struct_type.discriminant [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.666: type = facet_type <@ImplicitAs, @ImplicitAs(%u2)> [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.be5: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.60e: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.be5 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.28a: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.79a, @Core.IntLiteral.as.ImplicitAs.impl(%int_2.ecc) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.303: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_2.ecc) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.303 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.666 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.28a) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.e12: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%u2, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.935: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.e12, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.0c6: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_2.ecc) [concrete]
// CHECK:STDOUT: %bound_method.0f4: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.fdb: %u2 = int_value 0 [concrete]
// CHECK:STDOUT: %struct.9be: %struct_type.discriminant = struct_value (%int_0.fdb) [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.type.97a: type = fn_type @UInt.as.Copy.impl.Op, @UInt.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.2a0: %UInt.as.Copy.impl.Op.type.97a = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.81e: <witness> = impl_witness imports.%Copy.impl_witness_table.238, @UInt.as.Copy.impl(%int_2.ecc) [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.type.141: type = fn_type @UInt.as.Copy.impl.Op, @UInt.as.Copy.impl(%int_2.ecc) [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.c78: %UInt.as.Copy.impl.Op.type.141 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %u2, (%Copy.impl_witness.81e) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.7a4: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.7ec: type = fn_type_with_self_type %Copy.WithSelf.Op.type.7a4, %Copy.facet [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.bound.2cc: <bound method> = bound_method %int_0.fdb, %UInt.as.Copy.impl.Op.c78 [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %UInt.as.Copy.impl.Op.c78, @UInt.as.Copy.impl.Op(%int_2.ecc) [concrete]
// CHECK:STDOUT: %bound_method.51c: <bound method> = bound_method %int_0.fdb, %UInt.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: %Ordering.val.cff: %Ordering = struct_value (%int_0.fdb) [concrete]
// CHECK:STDOUT: %.51f: ref %Ordering = temporary invalid, %Ordering.val.cff [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.758: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc [concrete]
// CHECK:STDOUT: %bound_method.e14: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.cd4: %u2 = int_value 1 [concrete]
// CHECK:STDOUT: %struct.a72: %struct_type.discriminant = struct_value (%int_1.cd4) [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.bound.910: <bound method> = bound_method %int_1.cd4, %UInt.as.Copy.impl.Op.c78 [concrete]
// CHECK:STDOUT: %bound_method.bff: <bound method> = bound_method %int_1.cd4, %UInt.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: %Ordering.val.168: %Ordering = struct_value (%int_1.cd4) [concrete]
// CHECK:STDOUT: %.6c9: ref %Ordering = temporary invalid, %Ordering.val.168 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.5fc: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc [concrete]
// CHECK:STDOUT: %bound_method.89e: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_2.830: %u2 = int_value 2 [concrete]
// CHECK:STDOUT: %struct.675: %struct_type.discriminant = struct_value (%int_2.830) [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.bound.416: <bound method> = bound_method %int_2.830, %UInt.as.Copy.impl.Op.c78 [concrete]
// CHECK:STDOUT: %bound_method.6c4: <bound method> = bound_method %int_2.830, %UInt.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: %Ordering.val.b35: %Ordering = struct_value (%int_2.830) [concrete]
// CHECK:STDOUT: %.14c: ref %Ordering = temporary invalid, %Ordering.val.b35 [concrete]
// CHECK:STDOUT: %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.65d: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc [concrete]
// CHECK:STDOUT: %bound_method.bf1: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_3.d95: %u2 = int_value 3 [concrete]
// CHECK:STDOUT: %struct.58e: %struct_type.discriminant = struct_value (%int_3.d95) [concrete]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.bound.8d4: <bound method> = bound_method %int_3.d95, %UInt.as.Copy.impl.Op.c78 [concrete]
// CHECK:STDOUT: %bound_method.ec5: <bound method> = bound_method %int_3.d95, %UInt.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: %Ordering.val.40a: %Ordering = struct_value (%int_3.d95) [concrete]
// CHECK:STDOUT: %.7f3: ref %Ordering = temporary invalid, %Ordering.val.40a [concrete]
// CHECK:STDOUT: %pattern_type.542: type = pattern_type %Ordering [concrete]
// CHECK:STDOUT: %less.patt: %pattern_type.542 = value_binding_pattern less [concrete]
// CHECK:STDOUT: %equiv.patt: %pattern_type.542 = value_binding_pattern equiv [concrete]
// CHECK:STDOUT: %greater.patt: %pattern_type.542 = value_binding_pattern greater [concrete]
// CHECK:STDOUT: %inc.patt: %pattern_type.542 = value_binding_pattern inc [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.685: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.be5) = import_ref Core//prelude/parts/uint, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.60e)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.79a = impl_witness_table (%Core.import_ref.685), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.079: @UInt.as.Copy.impl.%UInt.as.Copy.impl.Op.type (%UInt.as.Copy.impl.Op.type.97a) = import_ref Core//prelude/parts/uint, loc{{\d+_\d+}}, loaded [symbolic = @UInt.as.Copy.impl.%UInt.as.Copy.impl.Op (constants.%UInt.as.Copy.impl.Op.2a0)]
// CHECK:STDOUT: %Copy.impl_witness_table.238 = impl_witness_table (%Core.import_ref.079), @UInt.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %Ordering.decl: type = class_decl @Ordering [concrete = constants.%Ordering] {} {}
// CHECK:STDOUT: %Ordering.ref.loc11: type = name_ref Ordering, %Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %less: %Ordering = wrapper_binding less, @__global_init.%Less.ref
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %less.patt: %pattern_type.542 = value_binding_pattern less [concrete = constants.%less.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Ordering.ref.loc12: type = name_ref Ordering, %Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %equiv: %Ordering = wrapper_binding equiv, @__global_init.%Equivalent.ref
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %equiv.patt: %pattern_type.542 = value_binding_pattern equiv [concrete = constants.%equiv.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Ordering.ref.loc13: type = name_ref Ordering, %Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %greater: %Ordering = wrapper_binding greater, @__global_init.%Greater.ref
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %greater.patt: %pattern_type.542 = value_binding_pattern greater [concrete = constants.%greater.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Ordering.ref.loc14: type = name_ref Ordering, %Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %inc: %Ordering = wrapper_binding inc, @__global_init.%Incomparable.ref
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %inc.patt: %pattern_type.542 = value_binding_pattern inc [concrete = constants.%inc.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Ordering {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.discriminant [concrete = constants.%complete_type.b66]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %impl.elem0.loc5_7.1: %.935 = impl_witness_access constants.%ImplicitAs.impl_witness.28a, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc]
// CHECK:STDOUT: %bound_method.loc5_7.1: <bound method> = bound_method %int_0, %impl.elem0.loc5_7.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.0c6]
// CHECK:STDOUT: %specific_fn.loc5_7.1: <specific function> = specific_function %impl.elem0.loc5_7.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_2.ecc) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc5_7.2: <bound method> = bound_method %int_0, %specific_fn.loc5_7.1 [concrete = constants.%bound_method.0f4]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc5: init %u2 = call %bound_method.loc5_7.2(%int_0) [concrete = constants.%int_0.fdb]
// CHECK:STDOUT: %.loc5_7.1: %u2 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc5 [concrete = constants.%int_0.fdb]
// CHECK:STDOUT: %.loc5_7.2: %u2 = converted %int_0, %.loc5_7.1 [concrete = constants.%int_0.fdb]
// CHECK:STDOUT: %.loc5_7.3: %struct_type.discriminant = struct_literal (%.loc5_7.2) [concrete = constants.%struct.9be]
// CHECK:STDOUT: %impl.elem0.loc5_7.2: %.7ec = impl_witness_access constants.%Copy.impl_witness.81e, element0 [concrete = constants.%UInt.as.Copy.impl.Op.c78]
// CHECK:STDOUT: %bound_method.loc5_7.3: <bound method> = bound_method %.loc5_7.2, %impl.elem0.loc5_7.2 [concrete = constants.%UInt.as.Copy.impl.Op.bound.2cc]
// CHECK:STDOUT: %specific_fn.loc5_7.2: <specific function> = specific_function %impl.elem0.loc5_7.2, @UInt.as.Copy.impl.Op(constants.%int_2.ecc) [concrete = constants.%UInt.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc5_7.4: <bound method> = bound_method %.loc5_7.2, %specific_fn.loc5_7.2 [concrete = constants.%bound_method.51c]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.call.loc5: init %u2 = call %bound_method.loc5_7.4(%.loc5_7.2) [concrete = constants.%int_0.fdb]
// CHECK:STDOUT: %.loc5_7.4: ref %Ordering = temporary_storage
// CHECK:STDOUT: %.loc5_7.5: ref %u2 = class_element_access %.loc5_7.4, element0
// CHECK:STDOUT: %.loc5_7.6: init %u2 to %.loc5_7.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc5 [concrete = constants.%int_0.fdb]
// CHECK:STDOUT: %.loc5_7.7: init %Ordering to %.loc5_7.4 = class_init (%.loc5_7.6) [concrete = constants.%Ordering.val.cff]
// CHECK:STDOUT: %.loc5_7.8: init %Ordering = converted %.loc5_7.3, %.loc5_7.7 [concrete = constants.%Ordering.val.cff]
// CHECK:STDOUT: %.loc5_7.9: ref %Ordering = temporary %.loc5_7.4, %.loc5_7.8 [concrete = constants.%.51f]
// CHECK:STDOUT: %.loc5_7.10: %Ordering = acquire_value %.loc5_7.9 [concrete = constants.%Ordering.val.cff]
// CHECK:STDOUT: %Less: %Ordering = wrapper_binding Less, %.loc5_7.10
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc6_13.1: %.935 = impl_witness_access constants.%ImplicitAs.impl_witness.28a, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc]
// CHECK:STDOUT: %bound_method.loc6_13.1: <bound method> = bound_method %int_1, %impl.elem0.loc6_13.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.758]
// CHECK:STDOUT: %specific_fn.loc6_13.1: <specific function> = specific_function %impl.elem0.loc6_13.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_2.ecc) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc6_13.2: <bound method> = bound_method %int_1, %specific_fn.loc6_13.1 [concrete = constants.%bound_method.e14]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc6: init %u2 = call %bound_method.loc6_13.2(%int_1) [concrete = constants.%int_1.cd4]
// CHECK:STDOUT: %.loc6_13.1: %u2 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc6 [concrete = constants.%int_1.cd4]
// CHECK:STDOUT: %.loc6_13.2: %u2 = converted %int_1, %.loc6_13.1 [concrete = constants.%int_1.cd4]
// CHECK:STDOUT: %.loc6_13.3: %struct_type.discriminant = struct_literal (%.loc6_13.2) [concrete = constants.%struct.a72]
// CHECK:STDOUT: %impl.elem0.loc6_13.2: %.7ec = impl_witness_access constants.%Copy.impl_witness.81e, element0 [concrete = constants.%UInt.as.Copy.impl.Op.c78]
// CHECK:STDOUT: %bound_method.loc6_13.3: <bound method> = bound_method %.loc6_13.2, %impl.elem0.loc6_13.2 [concrete = constants.%UInt.as.Copy.impl.Op.bound.910]
// CHECK:STDOUT: %specific_fn.loc6_13.2: <specific function> = specific_function %impl.elem0.loc6_13.2, @UInt.as.Copy.impl.Op(constants.%int_2.ecc) [concrete = constants.%UInt.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc6_13.4: <bound method> = bound_method %.loc6_13.2, %specific_fn.loc6_13.2 [concrete = constants.%bound_method.bff]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.call.loc6: init %u2 = call %bound_method.loc6_13.4(%.loc6_13.2) [concrete = constants.%int_1.cd4]
// CHECK:STDOUT: %.loc6_13.4: ref %Ordering = temporary_storage
// CHECK:STDOUT: %.loc6_13.5: ref %u2 = class_element_access %.loc6_13.4, element0
// CHECK:STDOUT: %.loc6_13.6: init %u2 to %.loc6_13.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc6 [concrete = constants.%int_1.cd4]
// CHECK:STDOUT: %.loc6_13.7: init %Ordering to %.loc6_13.4 = class_init (%.loc6_13.6) [concrete = constants.%Ordering.val.168]
// CHECK:STDOUT: %.loc6_13.8: init %Ordering = converted %.loc6_13.3, %.loc6_13.7 [concrete = constants.%Ordering.val.168]
// CHECK:STDOUT: %.loc6_13.9: ref %Ordering = temporary %.loc6_13.4, %.loc6_13.8 [concrete = constants.%.6c9]
// CHECK:STDOUT: %.loc6_13.10: %Ordering = acquire_value %.loc6_13.9 [concrete = constants.%Ordering.val.168]
// CHECK:STDOUT: %Equivalent: %Ordering = wrapper_binding Equivalent, %.loc6_13.10
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %impl.elem0.loc7_10.1: %.935 = impl_witness_access constants.%ImplicitAs.impl_witness.28a, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc]
// CHECK:STDOUT: %bound_method.loc7_10.1: <bound method> = bound_method %int_2, %impl.elem0.loc7_10.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.5fc]
// CHECK:STDOUT: %specific_fn.loc7_10.1: <specific function> = specific_function %impl.elem0.loc7_10.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_2.ecc) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc7_10.2: <bound method> = bound_method %int_2, %specific_fn.loc7_10.1 [concrete = constants.%bound_method.89e]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc7: init %u2 = call %bound_method.loc7_10.2(%int_2) [concrete = constants.%int_2.830]
// CHECK:STDOUT: %.loc7_10.1: %u2 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc7 [concrete = constants.%int_2.830]
// CHECK:STDOUT: %.loc7_10.2: %u2 = converted %int_2, %.loc7_10.1 [concrete = constants.%int_2.830]
// CHECK:STDOUT: %.loc7_10.3: %struct_type.discriminant = struct_literal (%.loc7_10.2) [concrete = constants.%struct.675]
// CHECK:STDOUT: %impl.elem0.loc7_10.2: %.7ec = impl_witness_access constants.%Copy.impl_witness.81e, element0 [concrete = constants.%UInt.as.Copy.impl.Op.c78]
// CHECK:STDOUT: %bound_method.loc7_10.3: <bound method> = bound_method %.loc7_10.2, %impl.elem0.loc7_10.2 [concrete = constants.%UInt.as.Copy.impl.Op.bound.416]
// CHECK:STDOUT: %specific_fn.loc7_10.2: <specific function> = specific_function %impl.elem0.loc7_10.2, @UInt.as.Copy.impl.Op(constants.%int_2.ecc) [concrete = constants.%UInt.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc7_10.4: <bound method> = bound_method %.loc7_10.2, %specific_fn.loc7_10.2 [concrete = constants.%bound_method.6c4]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.call.loc7: init %u2 = call %bound_method.loc7_10.4(%.loc7_10.2) [concrete = constants.%int_2.830]
// CHECK:STDOUT: %.loc7_10.4: ref %Ordering = temporary_storage
// CHECK:STDOUT: %.loc7_10.5: ref %u2 = class_element_access %.loc7_10.4, element0
// CHECK:STDOUT: %.loc7_10.6: init %u2 to %.loc7_10.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc7 [concrete = constants.%int_2.830]
// CHECK:STDOUT: %.loc7_10.7: init %Ordering to %.loc7_10.4 = class_init (%.loc7_10.6) [concrete = constants.%Ordering.val.b35]
// CHECK:STDOUT: %.loc7_10.8: init %Ordering = converted %.loc7_10.3, %.loc7_10.7 [concrete = constants.%Ordering.val.b35]
// CHECK:STDOUT: %.loc7_10.9: ref %Ordering = temporary %.loc7_10.4, %.loc7_10.8 [concrete = constants.%.14c]
// CHECK:STDOUT: %.loc7_10.10: %Ordering = acquire_value %.loc7_10.9 [concrete = constants.%Ordering.val.b35]
// CHECK:STDOUT: %Greater: %Ordering = wrapper_binding Greater, %.loc7_10.10
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3.1ba]
// CHECK:STDOUT: %impl.elem0.loc9_1.1: %.935 = impl_witness_access constants.%ImplicitAs.impl_witness.28a, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.dcc]
// CHECK:STDOUT: %bound_method.loc9_1.1: <bound method> = bound_method %int_3, %impl.elem0.loc9_1.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.65d]
// CHECK:STDOUT: %specific_fn.loc9_1.1: <specific function> = specific_function %impl.elem0.loc9_1.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_2.ecc) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc9_1.2: <bound method> = bound_method %int_3, %specific_fn.loc9_1.1 [concrete = constants.%bound_method.bf1]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc9: init %u2 = call %bound_method.loc9_1.2(%int_3) [concrete = constants.%int_3.d95]
// CHECK:STDOUT: %.loc9_1.1: %u2 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc9 [concrete = constants.%int_3.d95]
// CHECK:STDOUT: %.loc9_1.2: %u2 = converted %int_3, %.loc9_1.1 [concrete = constants.%int_3.d95]
// CHECK:STDOUT: %.loc9_1.3: %struct_type.discriminant = struct_literal (%.loc9_1.2) [concrete = constants.%struct.58e]
// CHECK:STDOUT: %impl.elem0.loc9_1.2: %.7ec = impl_witness_access constants.%Copy.impl_witness.81e, element0 [concrete = constants.%UInt.as.Copy.impl.Op.c78]
// CHECK:STDOUT: %bound_method.loc9_1.3: <bound method> = bound_method %.loc9_1.2, %impl.elem0.loc9_1.2 [concrete = constants.%UInt.as.Copy.impl.Op.bound.8d4]
// CHECK:STDOUT: %specific_fn.loc9_1.2: <specific function> = specific_function %impl.elem0.loc9_1.2, @UInt.as.Copy.impl.Op(constants.%int_2.ecc) [concrete = constants.%UInt.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc9_1.4: <bound method> = bound_method %.loc9_1.2, %specific_fn.loc9_1.2 [concrete = constants.%bound_method.ec5]
// CHECK:STDOUT: %UInt.as.Copy.impl.Op.call.loc9: init %u2 = call %bound_method.loc9_1.4(%.loc9_1.2) [concrete = constants.%int_3.d95]
// CHECK:STDOUT: %.loc9_1.4: ref %Ordering = temporary_storage
// CHECK:STDOUT: %.loc9_1.5: ref %u2 = class_element_access %.loc9_1.4, element0
// CHECK:STDOUT: %.loc9_1.6: init %u2 to %.loc9_1.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc9 [concrete = constants.%int_3.d95]
// CHECK:STDOUT: %.loc9_1.7: init %Ordering to %.loc9_1.4 = class_init (%.loc9_1.6) [concrete = constants.%Ordering.val.40a]
// CHECK:STDOUT: %.loc9_1.8: init %Ordering = converted %.loc9_1.3, %.loc9_1.7 [concrete = constants.%Ordering.val.40a]
// CHECK:STDOUT: %.loc9_1.9: ref %Ordering = temporary %.loc9_1.4, %.loc9_1.8 [concrete = constants.%.7f3]
// CHECK:STDOUT: %.loc9_1.10: %Ordering = acquire_value %.loc9_1.9 [concrete = constants.%Ordering.val.40a]
// CHECK:STDOUT: %Incomparable: %Ordering = wrapper_binding Incomparable, %.loc9_1.10
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Ordering
// CHECK:STDOUT: .Less = %Less
// CHECK:STDOUT: .Equivalent = %Equivalent
// CHECK:STDOUT: .Greater = %Greater
// CHECK:STDOUT: .Incomparable = %Incomparable
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Ordering.ref.loc11: type = name_ref Ordering, file.%Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %Less.ref: %Ordering = name_ref Less, @Ordering.%Less
// CHECK:STDOUT: %Ordering.ref.loc12: type = name_ref Ordering, file.%Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %Equivalent.ref: %Ordering = name_ref Equivalent, @Ordering.%Equivalent
// CHECK:STDOUT: %Ordering.ref.loc13: type = name_ref Ordering, file.%Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %Greater.ref: %Ordering = name_ref Greater, @Ordering.%Greater
// CHECK:STDOUT: %Ordering.ref.loc14: type = name_ref Ordering, file.%Ordering.decl [concrete = constants.%Ordering]
// CHECK:STDOUT: %Incomparable.ref: %Ordering = name_ref Incomparable, @Ordering.%Incomparable
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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