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carbon-lang/toolchain/check/testdata/class/field/static.carbon
T
Richard Smith 05cc09daca Fix cross-package signature mismatches. (#7232) 
Fixes link failures when referencing a symbol involving a fingerprint
from a different package.

Previously we included the `Namespace`'s `import_id` as part of its
fingerprint, which caused local and imported namespaces to get different
fingerprints. We now store the `import_id` on the `NameScope` instead of
on the `Namespace` inst to avoid this problem.

Also, when we reach a package-level `NameScopeId`, consistently
fingerprint it as a (package name, library name) pair. Previously the
fingerprinting depended on whether it was imported or not, as an
imported `NameScopeId` had a parent scope (the current package). We need
to include the library name here so that private entities with the same
name in different libraries have different fingerprints.
2026-05-21 00:02:29 +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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/field/static.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/field/static.carbon
// --- static_field.carbon
library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
class C {
static var static_field: i32;
static var static_field_with_init: i32 = 123;
}
fn F() {
C.static_field = 456;
}
//@dump-sem-ir-end
// --- private_static_field.carbon
library "[[@TEST_NAME]]";
class C {
private static var static_field: i32;
fn F() {
Self.static_field = 123;
}
}
// --- fail_private_static_field_invalid_access.carbon
library "[[@TEST_NAME]]";
class C {
private static var static_field: i32;
}
fn F() {
// CHECK:STDERR: fail_private_static_field_invalid_access.carbon:[[@LINE+7]]:3: error: cannot access private member `static_field` of type `C` [ClassInvalidMemberAccess]
// CHECK:STDERR: C.static_field = 123;
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR: fail_private_static_field_invalid_access.carbon:[[@LINE-7]]:22: note: declared here [ClassMemberDeclaration]
// CHECK:STDERR: private static var static_field: i32;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
// CHECK:STDERR:
C.static_field = 123;
}
// CHECK:STDOUT: --- static_field.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.c6b: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.type: type = facet_type <@DefaultOrUnformed> [concrete]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.type.d5a: type = fn_type @T.as.DefaultOrUnformed.impl.Op, @T.as.DefaultOrUnformed.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.9f4: %T.as.DefaultOrUnformed.impl.Op.type.d5a = struct_value () [symbolic]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness.d7b: <witness> = impl_witness imports.%DefaultOrUnformed.impl_witness_table.f82, @T.as.DefaultOrUnformed.impl(%i32) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value %i32, (%DefaultOrUnformed.impl_witness.d7b) [concrete]
// CHECK:STDOUT: %int_123.fff: Core.IntLiteral = int_value 123 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.544: 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.766: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.ec3: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.fb6: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.1a5, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.ef7: 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.e6b: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.ef7 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.544 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.fb6) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.367: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.205: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.367, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.059: <bound method> = bound_method %int_123.fff, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e6b [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e6b, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.692: <bound method> = bound_method %int_123.fff, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_123.5a3: %i32 = int_value 123 [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %int_456.010: Core.IntLiteral = int_value 456 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.853: <bound method> = bound_method %int_456.010, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e6b [concrete]
// CHECK:STDOUT: %bound_method.88a: <bound method> = bound_method %int_456.010, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_456.b78: %i32 = int_value 456 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.b30: @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op.type (%T.as.DefaultOrUnformed.impl.Op.type.d5a) = import_ref Core//prelude/parts/default, loc{{\d+_\d+}}, loaded [symbolic = @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op (constants.%T.as.DefaultOrUnformed.impl.Op.9f4)]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness_table.f82 = impl_witness_table (%Core.import_ref.b30), @T.as.DefaultOrUnformed.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.dd3: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766) = 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.ec3)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.1a5 = impl_witness_table (%Core.import_ref.dd3), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %static_field.patt: %pattern_type.c6b = ref_binding_pattern static_field [concrete]
// CHECK:STDOUT: %static_field.var_patt: %pattern_type.c6b = var_pattern %static_field.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %static_field.var: ref %i32 = var %static_field.var_patt [concrete]
// CHECK:STDOUT: %i32.loc5: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %static_field: ref %i32 = ref_binding static_field, %static_field.var [concrete = %static_field.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %static_field_with_init.patt: %pattern_type.c6b = ref_binding_pattern static_field_with_init [concrete]
// CHECK:STDOUT: %static_field_with_init.var_patt: %pattern_type.c6b = var_pattern %static_field_with_init.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %static_field_with_init.var: ref %i32 = var %static_field_with_init.var_patt [concrete]
// CHECK:STDOUT: %i32.loc6: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %static_field_with_init: ref %i32 = ref_binding static_field_with_init, %static_field_with_init.var [concrete = %static_field_with_init.var]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type.357]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .static_field = %static_field
// CHECK:STDOUT: .static_field_with_init = %static_field_with_init
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %static_field.ref: ref %i32 = name_ref static_field, @C.%static_field [concrete = @C.%static_field.var]
// CHECK:STDOUT: %int_456: Core.IntLiteral = int_value 456 [concrete = constants.%int_456.010]
// CHECK:STDOUT: %impl.elem0: %.205 = impl_witness_access constants.%ImplicitAs.impl_witness.fb6, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e6b]
// CHECK:STDOUT: %bound_method.loc10_18.1: <bound method> = bound_method %int_456, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.853]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc10_18.2: <bound method> = bound_method %int_456, %specific_fn [concrete = constants.%bound_method.88a]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc10_18.2(%int_456) [concrete = constants.%int_456.b78]
// CHECK:STDOUT: %.loc10: init %i32 = converted %int_456, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_456.b78]
// CHECK:STDOUT: assign %static_field.ref, %.loc10
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value constants.%i32, (constants.%DefaultOrUnformed.impl_witness.d7b) [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %.loc5_31.1: %DefaultOrUnformed.type = converted constants.%i32, %DefaultOrUnformed.facet [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %as_type: type = facet_access_type %.loc5_31.1 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc5_31.2: type = converted %.loc5_31.1, %as_type [concrete = constants.%i32]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.call: init %i32 = call %T.as.DefaultOrUnformed.impl.Op.specific_fn()
// CHECK:STDOUT: assign @C.%static_field.var, %T.as.DefaultOrUnformed.impl.Op.call
// CHECK:STDOUT: %int_123: Core.IntLiteral = int_value 123 [concrete = constants.%int_123.fff]
// CHECK:STDOUT: %impl.elem0: %.205 = impl_witness_access constants.%ImplicitAs.impl_witness.fb6, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e6b]
// CHECK:STDOUT: %bound_method.loc6_10.1: <bound method> = bound_method %int_123, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.059]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc6_10.2: <bound method> = bound_method %int_123, %specific_fn [concrete = constants.%bound_method.692]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc6_10.2(%int_123) [concrete = constants.%int_123.5a3]
// CHECK:STDOUT: %.loc6: init %i32 = converted %int_123, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_123.5a3]
// CHECK:STDOUT: assign @C.%static_field_with_init.var, %.loc6
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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