Files
carbon-lang/explorer/testdata/assoc_const/fail_match_in_deduction.carbon
T
Jon Ross-Perkins 129f31710d Disable autoupdate in explorer tests. (#4023)
Just replacing AUTOUPDATE with NOAUTOUPDATE, and removing the autoupdate
script. Tests will still run, but autoupdate may need to be fixed if
significant changes are made.

I noticed this while trying to autoupdate for #4007 (because we verify
that tests have been autoupdated). Autoupdate was likely broken by
#3449.

Trying to run with no changes gives:

```
CHECK failure at testing/file_test/file_test_base.cpp:801: !absl::GetFlag(FLAGS_test_targets_file).empty(): Missing --test_targets_file.
```

This is because the `file_test` rule creates a file with test inputs
that it runs with, which the prebuilt binary doesn't provide.

A local kludge to create a `file_test` target not using prebuilt_binary
showed another error:

```
: CommandLine Error: Option ': CommandLine Error: Option 'parser_debug' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options
trace_phase' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options
```

I'm thinking here that the explorer code hasn't been in enough use, and
we're seeing some rot as a consequence. Rather than trying to maintain
it, I'm suggesting to go with NOAUTOUPDATE.
2024-06-04 16:44:36 +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
//
// NOAUTOUPDATE
// TODO: Should this work?
package ExplorerTest api;
interface Vector {
let Dim:! i32;
}
impl (i32, i32, i32) as Vector where .Dim = 3 {}
class Point(Scalar:! type, Dim:! i32) {}
fn F[Scalar:! type, V:! Vector where .Dim == 3](p: Point(Scalar, V.Dim), v: V) {}
fn G[Scalar:! type](p: Point(Scalar, 3)) {}
fn H[V:! Vector where .Dim == 3](v: V) {
var p: Point(i32, V.Dim) = {};
// CHECK:STDERR: COMPILATION ERROR: fail_match_in_deduction.carbon:[[@LINE+1]]: mismatch in non-deduced values, `(V).(Vector.Dim)` != `3`
G(p);
}
fn Main() -> i32 {
var p: Point(i32, 3) = {};
// Deduce Point(Scalar, V.Dim) from Point(i32, 3).
F(p, (0, 0, 0));
// Deduce Point(Scalar, 3) from Point(i32, V.Dim).
H((0, 0, 0));
return 0;
}