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carbon-lang/toolchain/check/testdata/let/fail_duplicate_decl.carbon
T
Calvin 3f4de65ad8 Improve SemIR naming of import_refs (#4824) 
Changes the name of SemIR `import_ref`s to use the format
`<package>.<entity>`.

<table>
<tr><th>Before</th><th>After</th></tr>
<tr>
<td><code>%import_ref.05a: type</code></td>
<td><code>%Main.D: type</code></td>
</tr>
<tr>
<td><code>%import_ref.8f2: &lt;witness&gt;</code></td>
<td><code>%Main.import_ref.8f2: &lt;witness&gt;</code></td>
</tr>
</table>

* [Discord discussion in
#toolchain](https://discord.com/channels/655572317891461132/655578254970716160/1330253540999827577)
* Closes #4769
2025-01-22 07:22:07 +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/let/fail_duplicate_decl.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/let/fail_duplicate_decl.carbon
fn F() {
let a: i32 = 1;
// CHECK:STDERR: fail_duplicate_decl.carbon:[[@LINE+7]]:7: error: duplicate name being declared in the same scope [NameDeclDuplicate]
// CHECK:STDERR: let a: i32 = 2;
// CHECK:STDERR: ^
// CHECK:STDERR: fail_duplicate_decl.carbon:[[@LINE-4]]:7: note: name is previously declared here [NameDeclPrevious]
// CHECK:STDERR: let a: i32 = 1;
// CHECK:STDERR: ^
// CHECK:STDERR:
let a: i32 = 2;
}
// CHECK:STDOUT: --- fail_duplicate_decl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT: %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [template]
// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [template]
// CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [template]
// CHECK:STDOUT: %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [template]
// CHECK:STDOUT: %Convert.specific_fn.70c: <specific function> = specific_function %Convert.bound.ab5, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [template]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [template]
// CHECK:STDOUT: %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [template]
// CHECK:STDOUT: %Convert.specific_fn.787: <specific function> = specific_function %Convert.bound.ef9, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_2.ef8: %i32 = int_value 2 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// 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 [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt.loc12: %i32 = binding_pattern a
// CHECK:STDOUT: }
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
// CHECK:STDOUT: %.loc12_10: type = splice_block %i32.loc12 [template = constants.%i32] {
// CHECK:STDOUT: %int_32.loc12: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %impl.elem0.loc12: %Convert.type.1b6 = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
// CHECK:STDOUT: %Convert.bound.loc12: <bound method> = bound_method %int_1, %impl.elem0.loc12 [template = constants.%Convert.bound.ab5]
// CHECK:STDOUT: %Convert.specific_fn.loc12: <specific function> = specific_function %Convert.bound.loc12, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.70c]
// CHECK:STDOUT: %int.convert_checked.loc12: init %i32 = call %Convert.specific_fn.loc12(%int_1) [template = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc12_16.1: %i32 = value_of_initializer %int.convert_checked.loc12 [template = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc12_16.2: %i32 = converted %int_1, %.loc12_16.1 [template = constants.%int_1.5d2]
// CHECK:STDOUT: %a.loc12: %i32 = bind_name a, %.loc12_16.2
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt.loc20: %i32 = binding_pattern a
// CHECK:STDOUT: }
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [template = constants.%int_2.ecc]
// CHECK:STDOUT: %.loc20_10: type = splice_block %i32.loc20 [template = constants.%i32] {
// CHECK:STDOUT: %int_32.loc20: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc20: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %impl.elem0.loc20: %Convert.type.1b6 = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
// CHECK:STDOUT: %Convert.bound.loc20: <bound method> = bound_method %int_2, %impl.elem0.loc20 [template = constants.%Convert.bound.ef9]
// CHECK:STDOUT: %Convert.specific_fn.loc20: <specific function> = specific_function %Convert.bound.loc20, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.787]
// CHECK:STDOUT: %int.convert_checked.loc20: init %i32 = call %Convert.specific_fn.loc20(%int_2) [template = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc20_16.1: %i32 = value_of_initializer %int.convert_checked.loc20 [template = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc20_16.2: %i32 = converted %int_2, %.loc20_16.1 [template = constants.%int_2.ef8]
// CHECK:STDOUT: %a.loc20: %i32 = bind_name a, %.loc20_16.2
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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