carbon-lang/toolchain/check/testdata/array/fail_bound_overflow.carbon

// 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/array/fail_bound_overflow.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/fail_bound_overflow.carbon

// TODO: Once we preserve the full value of integer literals in SemIR, check
// that we reject the array bound being too large.

// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+4]]:14: error: integer literal with value 39999999999999999993 does not fit in i32
// CHECK:STDERR: var a: [i32; 39999999999999999993];
// CHECK:STDERR:              ^~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var a: [i32; 39999999999999999993];

// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+10]]:9: error: cannot implicitly convert from `i32` to `type`
// CHECK:STDERR: var b: [1; 39999999999999999993];
// CHECK:STDERR:         ^
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+7]]:9: note: type `i32` does not implement interface `ImplicitAs`
// CHECK:STDERR: var b: [1; 39999999999999999993];
// CHECK:STDERR:         ^
// CHECK:STDERR:
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+3]]:12: error: integer literal with value 39999999999999999993 does not fit in i32
// CHECK:STDERR: var b: [1; 39999999999999999993];
// CHECK:STDERR:            ^~~~~~~~~~~~~~~~~~~~
var b: [1; 39999999999999999993];

// CHECK:STDOUT: --- fail_bound_overflow.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %.2: i32 = int_literal 1 [template]
// CHECK:STDOUT:   %ImplicitAs.type.1: type = generic_interface_type @ImplicitAs [template]
// CHECK:STDOUT:   %ImplicitAs: %ImplicitAs.type.1 = struct_value () [template]
// CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest, 0 [symbolic]
// CHECK:STDOUT:   %ImplicitAs.type.2: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic]
// CHECK:STDOUT:   %Self.1: @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2) = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %Dest.patt: type = symbolic_binding_pattern Dest, 0 [symbolic]
// CHECK:STDOUT:   %Self.2: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %Convert.type.1: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic]
// CHECK:STDOUT:   %Convert.1: %Convert.type.1 = struct_value () [symbolic]
// CHECK:STDOUT:   %.3: type = assoc_entity_type %ImplicitAs.type.2, %Convert.type.1 [symbolic]
// CHECK:STDOUT:   %.4: %.3 = assoc_entity element0, imports.%import_ref.6 [symbolic]
// CHECK:STDOUT:   %ImplicitAs.type.3: type = interface_type @ImplicitAs, @ImplicitAs(type) [template]
// CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert, @ImplicitAs(type) [template]
// CHECK:STDOUT:   %Convert.2: %Convert.type.2 = struct_value () [template]
// CHECK:STDOUT:   %.5: type = assoc_entity_type %ImplicitAs.type.3, %Convert.type.2 [template]
// CHECK:STDOUT:   %.6: %.5 = assoc_entity element0, imports.%import_ref.6 [template]
// CHECK:STDOUT:   %.7: %.3 = assoc_entity element0, imports.%import_ref.7 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int32 = %import_ref.1
// CHECK:STDOUT:     .ImplicitAs = %import_ref.2
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/operators
// CHECK:STDOUT:     import Core//prelude/types
// CHECK:STDOUT:     import Core//prelude/operators/arithmetic
// CHECK:STDOUT:     import Core//prelude/operators/as
// CHECK:STDOUT:     import Core//prelude/operators/bitwise
// CHECK:STDOUT:     import Core//prelude/operators/comparison
// CHECK:STDOUT:     import Core//prelude/types/bool
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref Core//prelude/types, inst+4, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %import_ref.2: %ImplicitAs.type.1 = import_ref Core//prelude/operators/as, inst+46, loaded [template = constants.%ImplicitAs]
// CHECK:STDOUT:   %import_ref.3 = import_ref Core//prelude/operators/as, inst+52, unloaded
// CHECK:STDOUT:   %import_ref.4: @ImplicitAs.%.1 (%.3) = import_ref Core//prelude/operators/as, inst+71, loaded [symbolic = @ImplicitAs.%.2 (constants.%.7)]
// CHECK:STDOUT:   %import_ref.5 = import_ref Core//prelude/operators/as, inst+64, unloaded
// CHECK:STDOUT:   %import_ref.6 = import_ref Core//prelude/operators/as, inst+64, unloaded
// CHECK:STDOUT:   %import_ref.7 = import_ref Core//prelude/operators/as, inst+64, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .a = %a
// CHECK:STDOUT:     .b = %b
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc18_9.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:   %.loc18_9.2: type = converted %int.make_type_32, %.loc18_9.1 [template = i32]
// CHECK:STDOUT:   %.loc18_34: type = array_type <error>, i32 [template = <error>]
// CHECK:STDOUT:   %a.var: ref <error> = var a
// CHECK:STDOUT:   %a: ref <error> = bind_name a, %a.var
// CHECK:STDOUT:   %.loc30_9.1: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT:   %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(type) [template = constants.%ImplicitAs.type.3]
// CHECK:STDOUT:   %.loc30_9.2: %.5 = specific_constant imports.%import_ref.4, @ImplicitAs(type) [template = constants.%.6]
// CHECK:STDOUT:   %Convert.ref: %.5 = name_ref Convert, %.loc30_9.2 [template = constants.%.6]
// CHECK:STDOUT:   %.loc30_9.3: type = converted %.loc30_9.1, <error> [template = <error>]
// CHECK:STDOUT:   %.loc30_32: type = array_type <error>, <error> [template = <error>]
// CHECK:STDOUT:   %b.var: ref <error> = var b
// CHECK:STDOUT:   %b: ref <error> = bind_name b, %b.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic interface @ImplicitAs(constants.%Dest: type) {
// CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest, 0 [symbolic = %Dest (constants.%Dest)]
// CHECK:STDOUT:   %Dest.patt: type = symbolic_binding_pattern Dest, 0 [symbolic = %Dest.patt (constants.%Dest.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %ImplicitAs.type (constants.%ImplicitAs.type.2)]
// CHECK:STDOUT:   %Self: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.2)]
// CHECK:STDOUT:   %Convert.type: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic = %Convert.type (constants.%Convert.type.1)]
// CHECK:STDOUT:   %Convert: @ImplicitAs.%Convert.type (%Convert.type.1) = struct_value () [symbolic = %Convert (constants.%Convert.1)]
// CHECK:STDOUT:   %.1: type = assoc_entity_type @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2), @ImplicitAs.%Convert.type (%Convert.type.1) [symbolic = %.1 (constants.%.3)]
// CHECK:STDOUT:   %.2: @ImplicitAs.%.1 (%.3) = assoc_entity element0, imports.%import_ref.6 [symbolic = %.2 (constants.%.4)]
// CHECK:STDOUT:
// CHECK:STDOUT:   interface {
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = imports.%import_ref.3
// CHECK:STDOUT:     .Convert = imports.%import_ref.4
// CHECK:STDOUT:     witness = (imports.%import_ref.5)
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Convert(constants.%Dest: type, constants.%Self.1: @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2)) {
// CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest, 0 [symbolic = %Dest (constants.%Dest)]
// CHECK:STDOUT:   %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %ImplicitAs.type (constants.%ImplicitAs.type.2)]
// CHECK:STDOUT:   %Self: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.2)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn[%self.param_patt: @Convert.%Self (%Self.2)]() -> @Convert.%Dest (%Dest);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(constants.%Dest) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %Dest.patt => constants.%Dest
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(@ImplicitAs.%Dest) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %Dest.patt => constants.%Dest
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(@Convert.%Dest) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %Dest.patt => constants.%Dest
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Convert(constants.%Dest, constants.%Self.1) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %ImplicitAs.type => constants.%ImplicitAs.type.2
// CHECK:STDOUT:   %Self => constants.%Self.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(type) {
// CHECK:STDOUT:   %Dest => type
// CHECK:STDOUT:   %Dest.patt => type
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %ImplicitAs.type => constants.%ImplicitAs.type.3
// CHECK:STDOUT:   %Self => constants.%Self.2
// CHECK:STDOUT:   %Convert.type => constants.%Convert.type.2
// CHECK:STDOUT:   %Convert => constants.%Convert.2
// CHECK:STDOUT:   %.1 => constants.%.5
// CHECK:STDOUT:   %.2 => constants.%.6
// CHECK:STDOUT: }
// CHECK:STDOUT: