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carbon-lang/toolchain/check/testdata/class/fail_init.carbon
T
Richard Smith c6d35e1c4a Rename template constant -> concrete constant. (#4939) 
This implements a direction decided in a
[recent
discussion](https://docs.google.com/document/d/1Iut5f2TQBrtBNIduF4vJYOKfw7MbS8xH_J01_Q4e6Rk/edit?resourcekey=0-mc_vh5UzrzXfU4kO-3tOjA&tab=t.0#heading=h.mas1g68xx9ct)
to switch away from "template constant" when naming a constant that
doesn't depend on any generic parameters, because that creates confusion
with template-dependent constant values that depend on a template
parameter.
2025-02-12 21:24:51 +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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_init.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_init.carbon
class Class {
var a: i32;
var b: i32;
}
fn F() {
// CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: cannot initialize class with 2 fields from struct with 1 field [StructInitElementCountMismatch]
// CHECK:STDERR: {.a = 1} as Class;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
{.a = 1} as Class;
// CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: missing value for field `b` in struct initialization [StructInitMissingFieldInLiteral]
// CHECK:STDERR: {.a = 1, .c = 2} as Class;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~
// CHECK:STDERR:
{.a = 1, .c = 2} as Class;
// CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: cannot initialize class with 2 fields from struct with 3 fields [StructInitElementCountMismatch]
// CHECK:STDERR: {.a = 1, .b = 2, .c = 3} as Class;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
{.a = 1, .b = 2, .c = 3} as Class;
}
// CHECK:STDOUT: --- fail_init.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %Class.elem: type = unbound_element_type %Class, %i32 [concrete]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete]
// CHECK:STDOUT: %complete_type.705: <witness> = complete_type_witness %struct_type.a.b [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %struct_type.a: type = struct_type {.a: Core.IntLiteral} [concrete]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %struct_type.a.c: type = struct_type {.a: Core.IntLiteral, .c: Core.IntLiteral} [concrete]
// CHECK:STDOUT: %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [concrete]
// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [concrete]
// CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [concrete]
// CHECK:STDOUT: %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete]
// CHECK:STDOUT: %struct_type.a.b.c: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral, .c: Core.IntLiteral} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %.loc12_8: %Class.elem = field_decl a, element0 [concrete]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %.loc12_3: %Class.elem = var_pattern %.loc12_8
// CHECK:STDOUT: }
// CHECK:STDOUT: %.var.loc12: ref %Class.elem = var <none>
// CHECK:STDOUT: %.loc13_8: %Class.elem = field_decl b, element1 [concrete]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %.loc13_3: %Class.elem = var_pattern %.loc13_8
// CHECK:STDOUT: }
// CHECK:STDOUT: %.var.loc13: ref %Class.elem = var <none>
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.a.b [concrete = constants.%complete_type.705]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .a = %.loc12_8
// CHECK:STDOUT: .b = %.loc13_8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_1.loc21: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %.loc21_10.1: %struct_type.a = struct_literal (%int_1.loc21)
// CHECK:STDOUT: %Class.ref.loc21: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %.loc21_10.2: ref %Class = temporary_storage
// CHECK:STDOUT: %.loc21_10.3: ref %Class = temporary %.loc21_10.2, <error>
// CHECK:STDOUT: %.loc21_12: ref %Class = converted %.loc21_10.1, %.loc21_10.3
// CHECK:STDOUT: %int_1.loc26: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %int_2.loc26: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
// CHECK:STDOUT: %.loc26_18.1: %struct_type.a.c = struct_literal (%int_1.loc26, %int_2.loc26)
// CHECK:STDOUT: %Class.ref.loc26: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %impl.elem0: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_1.loc26, %impl.elem0 [concrete = constants.%Convert.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %bound_method, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT: %int.convert_checked: init %i32 = call %specific_fn(%int_1.loc26) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc26_18.2: init %i32 = converted %int_1.loc26, %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc26_18.3: ref %Class = temporary_storage
// CHECK:STDOUT: %.loc26_18.4: ref %i32 = class_element_access %.loc26_18.3, element0
// CHECK:STDOUT: %.loc26_18.5: init %i32 = initialize_from %.loc26_18.2 to %.loc26_18.4 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc26_18.6: ref %Class = temporary %.loc26_18.3, <error>
// CHECK:STDOUT: %.loc26_20: ref %Class = converted %.loc26_18.1, %.loc26_18.6
// CHECK:STDOUT: %int_1.loc31: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %int_2.loc31: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3]
// CHECK:STDOUT: %.loc31_26.1: %struct_type.a.b.c = struct_literal (%int_1.loc31, %int_2.loc31, %int_3)
// CHECK:STDOUT: %Class.ref.loc31: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
// CHECK:STDOUT: %.loc31_26.2: ref %Class = temporary_storage
// CHECK:STDOUT: %.loc31_26.3: ref %Class = temporary %.loc31_26.2, <error>
// CHECK:STDOUT: %.loc31_28: ref %Class = converted %.loc31_26.1, %.loc31_26.3
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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