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carbon-lang/toolchain/check/testdata/class/fail_extend_cycle.carbon
T
Dana Jansens 28fea821b7 Add min-preludes to more slow tests (part 4) (#5682)
Adds min-preludes more tests which were seen as slow and their
surrounding neighbours. This drops the file_test runtime on my machine
from about 6s to about 4.5s.

For a few files that are clearly only testing diagnostics, we drop the
if-present semir ranges and the associated TODO.
2025-06-17 21:10:04 +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/convert.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_extend_cycle.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_extend_cycle.carbon
base class A {
}
base class B {
// This ensures that the compiler treats A as complete.
extend base: A;
}
// CHECK:STDERR: fail_extend_cycle.carbon:[[@LINE+7]]:1: error: redefinition of `class A` [RedeclRedef]
// CHECK:STDERR: base class A {
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR: fail_extend_cycle.carbon:[[@LINE-11]]:1: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: base class A {
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR:
base class A {
extend base: A;
// CHECK:STDERR: fail_extend_cycle.carbon:[[@LINE+4]]:10: error: name `C` not found [NameNotFound]
// CHECK:STDERR: var c: C;
// CHECK:STDERR: ^
// CHECK:STDERR:
var c: C;
}