Rollup merge of #125310 - workingjubilee:muck-out-the-test-stables, r=Nilstrieb

Move ~100 tests from tests/ui to subdirs

new dirs for some, the rest in old
sweep tests up before they turn cold
to stop our code from growing mold

src/tools/tidy/src/ui_tests.rs

@@ -16,7 +16,7 @@
 // FIXME: The following limits should be reduced eventually.
 
 const ISSUES_ENTRY_LIMIT: usize = 1676;
-const ROOT_ENTRY_LIMIT: usize = 859;
+const ROOT_ENTRY_LIMIT: usize = 757;
 
 const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
     "rs",     // test source files

tests/ui/cross-crate/private-by-default.stderr

@@ -1,5 +1,5 @@
 error[E0603]: static `j` is private
-  --> $DIR/xcrate-private-by-default.rs:23:29
+  --> $DIR/private-by-default.rs:23:29
    |
 LL |     static_priv_by_default::j;
    |                             ^ private static
@@ -11,7 +11,7 @@ LL | static j: isize = 0;
    | ^^^^^^^^^^^^^^^
 
 error[E0603]: function `k` is private
-  --> $DIR/xcrate-private-by-default.rs:25:29
+  --> $DIR/private-by-default.rs:25:29
    |
 LL |     static_priv_by_default::k;
    |                             ^ private function
@@ -23,7 +23,7 @@ LL | fn k() {}
    | ^^^^^^
 
 error[E0603]: unit struct `l` is private
-  --> $DIR/xcrate-private-by-default.rs:27:29
+  --> $DIR/private-by-default.rs:27:29
    |
 LL |     static_priv_by_default::l;
    |                             ^ private unit struct
@@ -35,7 +35,7 @@ LL | struct l;
    | ^^^^^^^^
 
 error[E0603]: enum `m` is private
-  --> $DIR/xcrate-private-by-default.rs:29:35
+  --> $DIR/private-by-default.rs:29:35
    |
 LL |     foo::<static_priv_by_default::m>();
    |                                   ^ private enum
@@ -47,7 +47,7 @@ LL | enum m {}
    | ^^^^^^
 
 error[E0603]: type alias `n` is private
-  --> $DIR/xcrate-private-by-default.rs:31:35
+  --> $DIR/private-by-default.rs:31:35
    |
 LL |     foo::<static_priv_by_default::n>();
    |                                   ^ private type alias
@@ -59,7 +59,7 @@ LL | type n = isize;
    | ^^^^^^
 
 error[E0603]: module `foo` is private
-  --> $DIR/xcrate-private-by-default.rs:35:29
+  --> $DIR/private-by-default.rs:35:29
    |
 LL |     static_priv_by_default::foo::a;
    |                             ^^^  - static `a` is not publicly re-exported
@@ -73,7 +73,7 @@ LL | mod foo {
    | ^^^^^^^
 
 error[E0603]: module `foo` is private
-  --> $DIR/xcrate-private-by-default.rs:37:29
+  --> $DIR/private-by-default.rs:37:29
    |
 LL |     static_priv_by_default::foo::b;
    |                             ^^^  - function `b` is not publicly re-exported
@@ -87,7 +87,7 @@ LL | mod foo {
    | ^^^^^^^
 
 error[E0603]: module `foo` is private
-  --> $DIR/xcrate-private-by-default.rs:39:29
+  --> $DIR/private-by-default.rs:39:29
    |
 LL |     static_priv_by_default::foo::c;
    |                             ^^^  - unit struct `c` is not publicly re-exported
@@ -101,7 +101,7 @@ LL | mod foo {
    | ^^^^^^^
 
 error[E0603]: module `foo` is private
-  --> $DIR/xcrate-private-by-default.rs:41:35
+  --> $DIR/private-by-default.rs:41:35
    |
 LL |     foo::<static_priv_by_default::foo::d>();
    |                                   ^^^  - enum `d` is not publicly re-exported
@@ -115,7 +115,7 @@ LL | mod foo {
    | ^^^^^^^
 
 error[E0603]: module `foo` is private
-  --> $DIR/xcrate-private-by-default.rs:43:35
+  --> $DIR/private-by-default.rs:43:35
    |
 LL |     foo::<static_priv_by_default::foo::e>();
    |                                   ^^^  - type alias `e` is not publicly re-exported

tests/ui/cross-crate/unit-struct.stderr

@@ -1,5 +1,5 @@
 error[E0423]: expected value, found struct `xcrate_unit_struct::StructWithFields`
-  --> $DIR/xcrate-unit-struct.rs:9:13
+  --> $DIR/unit-struct.rs:9:13
    |
 LL |     let _ = xcrate_unit_struct::StructWithFields;
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use struct literal syntax instead: `xcrate_unit_struct::StructWithFields { foo: val }`
@@ -10,7 +10,7 @@ LL | pub struct StructWithFields {
    | --------------------------- `xcrate_unit_struct::StructWithFields` defined here
 
 error[E0423]: expected value, found struct `xcrate_unit_struct::StructWithPrivFields`
-  --> $DIR/xcrate-unit-struct.rs:11:13
+  --> $DIR/unit-struct.rs:11:13
    |
 LL |     let _ = xcrate_unit_struct::StructWithPrivFields;
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/fn-main/wrong-location.stderr

@@ -1,11 +1,11 @@
-error[E0601]: `main` function not found in crate `main_wrong_location`
-  --> $DIR/main-wrong-location.rs:5:2
+error[E0601]: `main` function not found in crate `wrong_location`
+  --> $DIR/wrong-location.rs:5:2
    |
 LL | }
-   |  ^ the main function must be defined at the crate level (in `$DIR/main-wrong-location.rs`)
+   |  ^ the main function must be defined at the crate level (in `$DIR/wrong-location.rs`)
    |
 note: here is a function named `main`
-  --> $DIR/main-wrong-location.rs:4:5
+  --> $DIR/wrong-location.rs:4:5
    |
 LL |     fn main() { }
    |     ^^^^^^^^^

tests/ui/fn-main/wrong-type.stderr

@@ -1,5 +1,5 @@
 error[E0580]: `main` function has wrong type
-  --> $DIR/main-wrong-type.rs:6:1
+  --> $DIR/wrong-type.rs:6:1
    |
 LL | fn main(foo: S) {
    | ^^^^^^^^^^^^^^^ incorrect number of function parameters

tests/ui/intrinsics/always-extern.stderr

@@ -1,11 +1,11 @@
 error: intrinsic must be in `extern "rust-intrinsic" { ... }` block
-  --> $DIR/intrinsics-always-extern.rs:4:32
+  --> $DIR/always-extern.rs:4:32
    |
 LL |     extern "rust-intrinsic" fn foo(&self);
    |                                ^^^
 
 error[E0093]: unrecognized intrinsic function: `hello`
-  --> $DIR/intrinsics-always-extern.rs:12:28
+  --> $DIR/always-extern.rs:12:28
    |
 LL | extern "rust-intrinsic" fn hello() {
    |                            ^^^^^ unrecognized intrinsic
@@ -13,7 +13,7 @@ LL | extern "rust-intrinsic" fn hello() {
    = help: if you're adding an intrinsic, be sure to update `check_intrinsic_type`
 
 error: intrinsic must be in `extern "rust-intrinsic" { ... }` block
-  --> $DIR/intrinsics-always-extern.rs:8:43
+  --> $DIR/always-extern.rs:8:43
    |
 LL |       extern "rust-intrinsic" fn foo(&self) {
    |  ___________________________________________^
@@ -21,7 +21,7 @@ LL | |     }
    | |_____^
 
 error: intrinsic must be in `extern "rust-intrinsic" { ... }` block
-  --> $DIR/intrinsics-always-extern.rs:12:36
+  --> $DIR/always-extern.rs:12:36
    |
 LL |   extern "rust-intrinsic" fn hello() {
    |  ____________________________________^

tests/ui/lint/group-forbid-always-trumps-cli.stderr

@@ -1,5 +1,5 @@
 error: unused variable: `x`
-  --> $DIR/lint-group-forbid-always-trumps-cli.rs:4:9
+  --> $DIR/group-forbid-always-trumps-cli.rs:4:9
    |
 LL |     let x = 1;
    |         ^ help: if this is intentional, prefix it with an underscore: `_x`

tests/ui/parser/super-fast-paren-parsing.rs

@@ -3,10 +3,7 @@
 #![allow(unused_parens)]
 #![allow(non_upper_case_globals)]
 #![allow(dead_code)]
-//@ exec-env:RUST_MIN_STACK=16000000
-//@ rustc-env:RUST_MIN_STACK=16000000
-//
-// Big stack is needed for pretty printing, a little sad...
+#![cfg_attr(rustfmt, rustfmt::skip)]
 
 static a: isize =
 (((((((((((((((((((((((((((((((((((((((((((((((((((