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carbon-lang/toolchain/driver/testdata/fail_flush_errors.carbon
T
Jon Ross-Perkins 895e90e791 Start including the prelude for testing. (#3861)
- Adds an empty prelude.carbon file
- Imports that file in any non-Core package file
  - Adds --disable-prelude-import to avoid that
- Adds --exclude-dump-file-prefix to be able to hide files from dumping
- Used to hide core files (we can't do this by package name due to lex
dumps, for example)
- Restructures some tests to not rely on `i32`, particularly `alias`
tests (which rely on a name ref) and tests with no prelude.

I'm adding the framework for switching i32 to calling Int32 in the
prelude, but I'm running into a separate error actually switching over.
So that *mostly* works, but isn't quite ready for prime time. However,
maybe the current state of this PR is still useful to review since it
does a lot of the infrastructure work and adds the %Core everywhere?
2024-04-07 17:11:42 +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
//
// ARGS: compile --no-prelude-import %s
//
// AUTOUPDATE
fn F() {
// Create diagnostics containing string references, and trigger reallocation
// of the string table.
// CHECK:STDERR: fail_flush_errors.carbon:[[@LINE+4]]:3: ERROR: Name `undeclared1` not found.
// CHECK:STDERR: undeclared1;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
undeclared1;
// Add the name into the string table from the tokenized buffer's string
// literal storage. Use a hex escape to ensure that the tokenized buffer
// allocates separate storage for the result.
"undec\x6Cared2";
// CHECK:STDERR: fail_flush_errors.carbon:[[@LINE+4]]:3: ERROR: Name `undeclared2` not found.
// CHECK:STDERR: undeclared2;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
undeclared2;
// Add the name into the string table via a declaration rather than an expression.
if (true) { var undeclared3: () = (); }
// CHECK:STDERR: fail_flush_errors.carbon:[[@LINE+3]]:3: ERROR: Name `undeclared3` not found.
// CHECK:STDERR: undeclared3;
// CHECK:STDERR: ^~~~~~~~~~~
undeclared3;
}