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a02dfe0226eb01439b1f2eb04fd1a673f35a6b83
carbon-lang/toolchain/check/testdata/class/fail_generic_method.carbon
T
Richard Smith a02dfe0226 Superficial support for Core.BigInt type (#4414) 
Add a `Core.BigInt` type and a corresponding builtin type in the
toolchain. See [corresponding section of the
design](https://docs.carbon-lang.dev/docs/design/expressions/literals.html#defined-types).

So far this type is not used for anything, and there is no way to create
an instance of it.
2024-10-16 23:27:01 +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_generic_method.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_generic_method.carbon
class Class(T:! type) {
var a: T;
fn F[self: Self](n: T);
}
// TODO: The follow-on errors here aren't great. Investigate whether we can
// enter the scope anyway if the parameters don't match.
// CHECK:STDERR: fail_generic_method.carbon:[[@LINE+14]]:10: error: redeclaration differs at parameter 1
// CHECK:STDERR: fn Class(N:! i32).F[self: Self](n: T) {}
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_generic_method.carbon:[[@LINE-10]]:13: note: previous declaration's corresponding parameter here
// CHECK:STDERR: class Class(T:! type) {
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_generic_method.carbon:[[@LINE+7]]:27: error: name `Self` not found
// CHECK:STDERR: fn Class(N:! i32).F[self: Self](n: T) {}
// CHECK:STDERR: ^~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_generic_method.carbon:[[@LINE+3]]:36: error: name `T` not found
// CHECK:STDERR: fn Class(N:! i32).F[self: Self](n: T) {}
// CHECK:STDERR: ^
fn Class(N:! i32).F[self: Self](n: T) {}
// CHECK:STDOUT: --- fail_generic_method.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT: %Class.type: type = generic_class_type @Class [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %Class.1: %Class.type = struct_value () [template]
// CHECK:STDOUT: %Class.2: type = class_type @Class, @Class(%T) [symbolic]
// CHECK:STDOUT: %.2: type = unbound_element_type %Class.2, %T [symbolic]
// CHECK:STDOUT: %F.type: type = fn_type @F, @Class(%T) [symbolic]
// CHECK:STDOUT: %F: %F.type = struct_value () [symbolic]
// CHECK:STDOUT: %.3: type = struct_type {.a: %T} [symbolic]
// CHECK:STDOUT: %.4: <witness> = complete_type_witness %.3 [symbolic]
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT: %N: i32 = bind_symbolic_name N, 0 [symbolic]
// CHECK:STDOUT: %N.patt: i32 = symbolic_binding_pattern N, 0 [symbolic]
// CHECK:STDOUT: %.type: type = fn_type @.1 [template]
// CHECK:STDOUT: %.5: %.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int32 = %import_ref
// 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: %Int32.type = import_ref Core//prelude/types, inst+9, loaded [template = constants.%Int32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
// CHECK:STDOUT: %T.patt.loc11_13.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
// CHECK:STDOUT: %T.param_patt: type = param_pattern %T.patt.loc11_13.1, runtime_param<invalid> [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %param: type = param runtime_param<invalid>
// CHECK:STDOUT: %T.loc11_13.1: type = bind_symbolic_name T, 0, %param [symbolic = %T.loc11_13.2 (constants.%T)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.decl: %.type = fn_decl @.1 [template = constants.%.5] {
// CHECK:STDOUT: %self.patt: <error> = binding_pattern self
// CHECK:STDOUT: %self.param_patt: <error> = param_pattern %self.patt, runtime_param0
// CHECK:STDOUT: %n.patt: <error> = binding_pattern n
// CHECK:STDOUT: %n.param_patt: <error> = param_pattern %n.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc32_14.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc32_14.2: type = converted %int.make_type_32, %.loc32_14.1 [template = i32]
// CHECK:STDOUT: %param.loc32_10: i32 = param runtime_param<invalid>
// CHECK:STDOUT: %N.loc32_10.1: i32 = bind_symbolic_name N, 0, %param.loc32_10 [symbolic = %N.loc32_10.2 (constants.%N)]
// CHECK:STDOUT: %Self.ref: <error> = name_ref Self, <error> [template = <error>]
// CHECK:STDOUT: %T.ref: <error> = name_ref T, <error> [template = <error>]
// CHECK:STDOUT: %param.loc32_21: <error> = param runtime_param0
// CHECK:STDOUT: %self: <error> = bind_name self, %param.loc32_21
// CHECK:STDOUT: %param.loc32_33: <error> = param runtime_param1
// CHECK:STDOUT: %n: <error> = bind_name n, %param.loc32_33
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Class(%T.loc11_13.1: type) {
// CHECK:STDOUT: %T.loc11_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_13.2 (constants.%T)]
// CHECK:STDOUT: %T.patt.loc11_13.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T.loc11_13.2) [symbolic = %Class (constants.%Class.2)]
// CHECK:STDOUT: %.loc12_8.2: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T.loc11_13.2 (%T) [symbolic = %.loc12_8.2 (constants.%.2)]
// CHECK:STDOUT: %F.type: type = fn_type @F, @Class(%T.loc11_13.2) [symbolic = %F.type (constants.%F.type)]
// CHECK:STDOUT: %F: @Class.%F.type (%F.type) = struct_value () [symbolic = %F (constants.%F)]
// CHECK:STDOUT: %.loc14_1.2: type = struct_type {.a: @Class.%T.loc11_13.2 (%T)} [symbolic = %.loc14_1.2 (constants.%.3)]
// CHECK:STDOUT: %.loc14_1.3: <witness> = complete_type_witness @Class.%.loc14_1.2 (%.3) [symbolic = %.loc14_1.3 (constants.%.4)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc11_13.1 [symbolic = %T.loc11_13.2 (constants.%T)]
// CHECK:STDOUT: %.loc12_8.1: @Class.%.loc12_8.2 (%.2) = field_decl a, element0 [template]
// CHECK:STDOUT: %F.decl: @Class.%F.type (%F.type) = fn_decl @F [symbolic = @Class.%F (constants.%F)] {
// CHECK:STDOUT: %self.patt: @F.%Class (%Class.2) = binding_pattern self
// CHECK:STDOUT: %self.param_patt: @F.%Class (%Class.2) = param_pattern %self.patt, runtime_param0
// CHECK:STDOUT: %n.patt: @F.%T (%T) = binding_pattern n
// CHECK:STDOUT: %n.param_patt: @F.%T (%T) = param_pattern %n.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc13: type = specific_constant constants.%Class.2, @Class(constants.%T) [symbolic = %Class (constants.%Class.2)]
// CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc13 [symbolic = %Class (constants.%Class.2)]
// CHECK:STDOUT: %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %param.loc13_8: @F.%Class (%Class.2) = param runtime_param0
// CHECK:STDOUT: %self: @F.%Class (%Class.2) = bind_name self, %param.loc13_8
// CHECK:STDOUT: %param.loc13_20: @F.%T (%T) = param runtime_param1
// CHECK:STDOUT: %n: @F.%T (%T) = bind_name n, %param.loc13_20
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc14_1.1: <witness> = complete_type_witness %.3 [symbolic = %.loc14_1.3 (constants.%.4)]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class.2
// CHECK:STDOUT: .a = %.loc12_8.1
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F(@Class.%T.loc11_13.1: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn[%self.param_patt: @F.%Class (%Class.2)](%n.param_patt: @F.%T (%T));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @.1(%N.loc32_10.1: i32) {
// CHECK:STDOUT: %N.loc32_10.2: i32 = bind_symbolic_name N, 0 [symbolic = %N.loc32_10.2 (constants.%N)]
// CHECK:STDOUT: %N.patt: i32 = symbolic_binding_pattern N, 0 [symbolic = %N.patt (constants.%N.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn[%self.param_patt: <error>](%n.param_patt: <error>) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(constants.%T) {
// CHECK:STDOUT: %T.loc11_13.2 => constants.%T
// CHECK:STDOUT: %T.patt.loc11_13.2 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(@F.%T) {
// CHECK:STDOUT: %T.loc11_13.2 => constants.%T
// CHECK:STDOUT: %T.patt.loc11_13.2 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %Class => constants.%Class.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(@Class.%T.loc11_13.2) {
// CHECK:STDOUT: %T.loc11_13.2 => constants.%T
// CHECK:STDOUT: %T.patt.loc11_13.2 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @.1(constants.%N) {
// CHECK:STDOUT: %N.loc32_10.2 => constants.%N
// CHECK:STDOUT: %N.patt => constants.%N
// CHECK:STDOUT: }
// CHECK:STDOUT:
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