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22d09f7f25fdff4232bcf7fcffe207df3587103c
carbon-lang/toolchain/check/testdata/index/fail_array_large_index.carbon
T
Dana Jansens f8dd4d85bf Do not treat impls in different scopes as redeclarations (#7161) 
An impl in a different scope, with the same parameters, will overlap and
get diagnosed for that later by the [prioritization
rule](https://docs.carbon-lang.dev/docs/design/generics/details.html#prioritization-rule),
if they are not in a match_first block. But they are not considered as
redeclarations.

See [proposal
p5366](https://github.com/carbon-language/carbon-lang/blob/62b94f79322039acc3fc8e175896a64a32df470e/proposals/p5366.md)
for the rule.
2026-05-04 19:11:51 +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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.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/index/fail_array_large_index.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/index/fail_array_large_index.carbon
var a: array(i32, 1) = (12,);
// CHECK:STDERR: fail_array_large_index.carbon:[[@LINE+4]]:16: error: array index `1` is past the end of type `array(i32, 1)` [ArrayIndexOutOfBounds]
// CHECK:STDERR: var b: i32 = a[1];
// CHECK:STDERR: ^
// CHECK:STDERR:
var b: i32 = a[1];
// CHECK:STDERR: fail_array_large_index.carbon:[[@LINE+4]]:16: error: array index `2147483647` is past the end of type `array(i32, 1)` [ArrayIndexOutOfBounds]
// CHECK:STDERR: var c: i32 = a[0x7FFF_FFFF];
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
var c: i32 = a[0x7FFF_FFFF];
// CHECK:STDOUT: --- fail_array_large_index.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %array_type: type = array_type %int_1.5b8, %i32 [concrete]
// CHECK:STDOUT: %pattern_type.a98: type = pattern_type %array_type [concrete]
// CHECK:STDOUT: %int_12.6a3: Core.IntLiteral = int_value 12 [concrete]
// CHECK:STDOUT: %tuple.type.985: type = tuple_type (Core.IntLiteral) [concrete]
// CHECK:STDOUT: %tuple.3bc: %tuple.type.985 = tuple_value (%int_12.6a3) [concrete]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f67: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.8fd: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f67 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.ac5: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.82d, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.a56: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.a56 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.ac5) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.b91: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.9db: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.b91, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ab0: <bound method> = bound_method %int_12.6a3, %Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a [concrete]
// CHECK:STDOUT: %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.785: <bound method> = bound_method %int_12.6a3, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_12.1e1: %i32 = int_value 12 [concrete]
// CHECK:STDOUT: %array: %array_type = tuple_value (%int_12.1e1) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.d43: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a [concrete]
// CHECK:STDOUT: %bound_method.e79: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.161: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.012: %Int.as.Copy.impl.Op.type.161 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.30d: <witness> = impl_witness imports.%Copy.impl_witness_table.1ee, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.aa9: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.44b: %Int.as.Copy.impl.Op.type.aa9 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.30d) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.cee: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.348: type = fn_type_with_self_type %Copy.WithSelf.Op.type.cee, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.44b, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: %int_2147483647.d89: Core.IntLiteral = int_value 2147483647 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.849: <bound method> = bound_method %int_2147483647.d89, %Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a [concrete]
// CHECK:STDOUT: %bound_method.15b: <bound method> = bound_method %int_2147483647.d89, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_2147483647.a74: %i32 = int_value 2147483647 [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: .Copy = %Core.Copy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.70a: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f67) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.8fd)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.82d = impl_witness_table (%Core.import_ref.70a), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT: %Core.import_ref.dbb: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.161) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.012)]
// CHECK:STDOUT: %Copy.impl_witness_table.1ee = impl_witness_table (%Core.import_ref.dbb), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: .b = %b
// CHECK:STDOUT: .c = %c
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.a98 = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.a98 = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %array_type = var %a.var_patt [concrete]
// CHECK:STDOUT: %.loc15: type = splice_block %array_type [concrete = constants.%array_type] {
// CHECK:STDOUT: %i32.loc15: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %array_type: type = array_type %int_1, %i32.loc15 [concrete = constants.%array_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %array_type = ref_binding a, %a.var [concrete = %a.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b.patt: %pattern_type.7ce = ref_binding_pattern b [concrete]
// CHECK:STDOUT: %b.var_patt: %pattern_type.7ce = var_pattern %b.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %b.var: ref %i32 = var %b.var_patt [concrete]
// CHECK:STDOUT: %i32.loc21: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %b: ref %i32 = ref_binding b, %b.var [concrete = %b.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c.patt: %pattern_type.7ce = ref_binding_pattern c [concrete]
// CHECK:STDOUT: %c.var_patt: %pattern_type.7ce = var_pattern %c.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %c.var: ref %i32 = var %c.var_patt [concrete]
// CHECK:STDOUT: %i32.loc27: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %c: ref %i32 = ref_binding c, %c.var [concrete = %c.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_12: Core.IntLiteral = int_value 12 [concrete = constants.%int_12.6a3]
// CHECK:STDOUT: %.loc15_28.1: %tuple.type.985 = tuple_literal (%int_12) [concrete = constants.%tuple.3bc]
// CHECK:STDOUT: %impl.elem0.loc15: %.9db = impl_witness_access constants.%ImplicitAs.impl_witness.ac5, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a]
// CHECK:STDOUT: %bound_method.loc15_28.1: <bound method> = bound_method %int_12, %impl.elem0.loc15 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ab0]
// CHECK:STDOUT: %specific_fn.loc15: <specific function> = specific_function %impl.elem0.loc15, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc15_28.2: <bound method> = bound_method %int_12, %specific_fn.loc15 [concrete = constants.%bound_method.785]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc15: init %i32 = call %bound_method.loc15_28.2(%int_12) [concrete = constants.%int_12.1e1]
// CHECK:STDOUT: %.loc15_28.2: init %i32 = converted %int_12, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc15 [concrete = constants.%int_12.1e1]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT: %.loc15_28.3: ref %i32 = array_index file.%a.var, %int_0
// CHECK:STDOUT: %.loc15_28.4: init %i32 to %.loc15_28.3 = in_place_init %.loc15_28.2 [concrete = constants.%int_12.1e1]
// CHECK:STDOUT: %.loc15_28.5: init %array_type to file.%a.var = array_init (%.loc15_28.4) [concrete = constants.%array]
// CHECK:STDOUT: %.loc15_1: init %array_type = converted %.loc15_28.1, %.loc15_28.5 [concrete = constants.%array]
// CHECK:STDOUT: assign file.%a.var, %.loc15_1
// CHECK:STDOUT: %a.ref.loc21: ref %array_type = name_ref a, file.%a [concrete = file.%a.var]
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc21_16: %.9db = impl_witness_access constants.%ImplicitAs.impl_witness.ac5, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a]
// CHECK:STDOUT: %bound_method.loc21_16.1: <bound method> = bound_method %int_1, %impl.elem0.loc21_16 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.d43]
// CHECK:STDOUT: %specific_fn.loc21_16: <specific function> = specific_function %impl.elem0.loc21_16, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc21_16.2: <bound method> = bound_method %int_1, %specific_fn.loc21_16 [concrete = constants.%bound_method.e79]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc21: init %i32 = call %bound_method.loc21_16.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc21_16.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc21 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc21_16.2: %i32 = converted %int_1, %.loc21_16.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc21_17.1: ref %i32 = array_index %a.ref.loc21, %.loc21_16.2 [concrete = <error>]
// CHECK:STDOUT: %.loc21_17.2: %i32 = acquire_value %.loc21_17.1 [concrete = <error>]
// CHECK:STDOUT: %impl.elem0.loc21_17: %.348 = impl_witness_access constants.%Copy.impl_witness.30d, element0 [concrete = constants.%Int.as.Copy.impl.Op.44b]
// CHECK:STDOUT: %bound_method.loc21_17.1: <bound method> = bound_method %.loc21_17.2, %impl.elem0.loc21_17 [concrete = <error>]
// CHECK:STDOUT: %specific_fn.loc21_17: <specific function> = specific_function %impl.elem0.loc21_17, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc21_17.2: <bound method> = bound_method %.loc21_17.2, %specific_fn.loc21_17 [concrete = <error>]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc21: init %i32 = call %bound_method.loc21_17.2(%.loc21_17.2) [concrete = <error>]
// CHECK:STDOUT: assign file.%b.var, %Int.as.Copy.impl.Op.call.loc21
// CHECK:STDOUT: %a.ref.loc27: ref %array_type = name_ref a, file.%a [concrete = file.%a.var]
// CHECK:STDOUT: %int_2147483647: Core.IntLiteral = int_value 2147483647 [concrete = constants.%int_2147483647.d89]
// CHECK:STDOUT: %impl.elem0.loc27_16: %.9db = impl_witness_access constants.%ImplicitAs.impl_witness.ac5, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f1a]
// CHECK:STDOUT: %bound_method.loc27_16.1: <bound method> = bound_method %int_2147483647, %impl.elem0.loc27_16 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.849]
// CHECK:STDOUT: %specific_fn.loc27_16: <specific function> = specific_function %impl.elem0.loc27_16, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc27_16.2: <bound method> = bound_method %int_2147483647, %specific_fn.loc27_16 [concrete = constants.%bound_method.15b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc27: init %i32 = call %bound_method.loc27_16.2(%int_2147483647) [concrete = constants.%int_2147483647.a74]
// CHECK:STDOUT: %.loc27_16.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc27 [concrete = constants.%int_2147483647.a74]
// CHECK:STDOUT: %.loc27_16.2: %i32 = converted %int_2147483647, %.loc27_16.1 [concrete = constants.%int_2147483647.a74]
// CHECK:STDOUT: %.loc27_27.1: ref %i32 = array_index %a.ref.loc27, %.loc27_16.2 [concrete = <error>]
// CHECK:STDOUT: %.loc27_27.2: %i32 = acquire_value %.loc27_27.1 [concrete = <error>]
// CHECK:STDOUT: %impl.elem0.loc27_27: %.348 = impl_witness_access constants.%Copy.impl_witness.30d, element0 [concrete = constants.%Int.as.Copy.impl.Op.44b]
// CHECK:STDOUT: %bound_method.loc27_27.1: <bound method> = bound_method %.loc27_27.2, %impl.elem0.loc27_27 [concrete = <error>]
// CHECK:STDOUT: %specific_fn.loc27_27: <specific function> = specific_function %impl.elem0.loc27_27, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc27_27.2: <bound method> = bound_method %.loc27_27.2, %specific_fn.loc27_27 [concrete = <error>]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc27: init %i32 = call %bound_method.loc27_27.2(%.loc27_27.2) [concrete = <error>]
// CHECK:STDOUT: assign file.%c.var, %Int.as.Copy.impl.Op.call.loc27
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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