Reorganize tests/ui/issues [27/N]

tests/ui/issues/issue-45731.rs → tests/ui/backtrace/sigbus-on-apple-missing-dwarf-backtrace.rs

@@ -1,10 +1,13 @@
-//@ run-pass
+//! Regression test for <https://github.com/rust-lang/rust/issues/45731>.
+//! This used to `SIGBUS` on darwin when DWARF binary was corrupted.
+
 #![allow(unused_variables)]
 //@ compile-flags:--test -g
 //@ ignore-ios needs the `.dSYM` files to be moved to the device
 //@ ignore-tvos needs the `.dSYM` files to be moved to the device
 //@ ignore-watchos needs the `.dSYM` files to be moved to the device
 //@ ignore-visionos needs the `.dSYM` files to be moved to the device
+//@ run-pass
 
 #[cfg(target_vendor = "apple")]
 #[test]

tests/ui/expr/if/if-branch-unsized-str-mismatch.rs

@@ -0,0 +1,12 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/46302>.
+//! This used to emit incorrect type mismatch label pointing at return type.
+
+fn foo() {
+  let s = "abc";
+  let u: &str = if true { s[..2] } else { s };
+  //~^ ERROR mismatched types
+}
+
+fn main() {
+    foo();
+}

tests/ui/issues/issue-46302.stderr → tests/ui/expr/if/if-branch-unsized-str-mismatch.stderr

@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/issue-46302.rs:3:27
+  --> $DIR/if-branch-unsized-str-mismatch.rs:6:27
    |
 LL |   let u: &str = if true { s[..2] } else { s };
    |                           ^^^^^^ expected `&str`, found `str`

tests/ui/issues/issue-44730.rs → tests/ui/macros/doc-attr-macro.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/44730>.
+//! Test `#[doc = $expr]` generates docs.
 //@ check-pass
 //! dox
 

tests/ui/issues/issue-44851.rs → tests/ui/macros/doc-attr-nested-macro.rs

@@ -1,4 +1,7 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/44851>.
+//! Test doc attr macro doesn't ICE with macro as an argument.
 //@ check-pass
+
 macro_rules! a {
     () => { "a" }
 }

tests/ui/issues/issue-4542.rs → tests/ui/match/match-cloned-string.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/4542>.
+//! Test matching cloned `String` doesn't segfault.
 //@ run-pass
 
 use std::env;

tests/ui/issues/issue-4541.rs → tests/ui/match/match-string-slice.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/4541>.
+//! This used to segfault caused by double-free.
 //@ run-pass
 
 fn parse_args() -> String {

tests/ui/issues/issue-45801.rs → tests/ui/methods/generic-method-unsatisfied-bound.rs

@@ -1,3 +1,6 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/45801>.
+//! This used to ICE.
+
 struct Params;
 
 pub trait Plugin<E: ?Sized> {

tests/ui/issues/issue-45801.stderr → tests/ui/methods/generic-method-unsatisfied-bound.stderr

@@ -1,12 +1,12 @@
 error[E0277]: the trait bound `Params: Plugin<i32>` is not satisfied
-  --> $DIR/issue-45801.rs:21:9
+  --> $DIR/generic-method-unsatisfied-bound.rs:24:9
    |
 LL |     req.get_ref::<Params>();
    |         ^^^^^^^ unsatisfied trait bound
    |
 help: the trait `Plugin<i32>` is not implemented for `Params`
       but trait `Plugin<Foo>` is implemented for it
-  --> $DIR/issue-45801.rs:14:1
+  --> $DIR/generic-method-unsatisfied-bound.rs:17:1
    |
 LL | impl Plugin<Foo> for Params {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/issues/issue-4517.rs → tests/ui/mismatched_types/array-arg-expected-usize.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/4517>.
+//! Test error message use correct array syntax.
 //@ dont-require-annotations: NOTE
 
 fn bar(int_param: usize) {}

tests/ui/issues/issue-4517.stderr → tests/ui/mismatched_types/array-arg-expected-usize.stderr

@@ -1,13 +1,13 @@
 error[E0308]: mismatched types
-  --> $DIR/issue-4517.rs:7:9
+  --> $DIR/array-arg-expected-usize.rs:9:9
    |
 LL |     bar(foo);
    |     --- ^^^ expected `usize`, found `[u8; 4]`
    |     |
    |     arguments to this function are incorrect
    |
 note: function defined here
-  --> $DIR/issue-4517.rs:3:4
+  --> $DIR/array-arg-expected-usize.rs:5:4
    |
 LL | fn bar(int_param: usize) {}
    |    ^^^ ----------------

tests/ui/pattern/struct-pattern-in-fn-arg.rs

@@ -0,0 +1,15 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/4875>.
+//! Test struct patterns as fn arguments don't ICE.
+//@ run-pass
+#![allow(dead_code)]
+
+
+pub struct Foo<T> {
+    data: T,
+}
+
+fn foo<T>(Foo{..}: Foo<T>) {
+}
+
+pub fn main() {
+}

tests/ui/issues/issue-49298.rs → tests/ui/uninhabited/uninhabited-tuple-field-layout.rs

@@ -1,23 +1,24 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/49298>.
+//!
+//! This test is checking that the space allocated for `x.1` does not
+//! overlap with `y`. (The reason why such a thing happened at one
+//! point was because `x.0: Void` and thus the whole type of `x` was
+//! uninhabited, and so the compiler thought it was safe to use the
+//! space of `x.1` to hold `y`.)
+//!
+//! That's a fine thing to test when this code is accepted by the
+//! compiler, and this code is being transcribed accordingly into
+//! the ui test issue-21232-partial-init-and-use.rs
+//!
+//! This test is bogus (i.e., should be check-fail) during the period
+//! where #54986 is implemented and #54987 is *not* implemented. For
+//! now: just ignore it
+//!
+//@ ignore-test (#54987)
 //@ run-pass
+
 #![feature(test)]
 #![allow(unused_mut)] // under NLL we get warning about `x` below: rust-lang/rust#54499
-
-// This test is bogus (i.e., should be check-fail) during the period
-// where #54986 is implemented and #54987 is *not* implemented. For
-// now: just ignore it
-//
-//@ ignore-test (#54987)
-
-// This test is checking that the space allocated for `x.1` does not
-// overlap with `y`. (The reason why such a thing happened at one
-// point was because `x.0: Void` and thus the whole type of `x` was
-// uninhabited, and so the compiler thought it was safe to use the
-// space of `x.1` to hold `y`.)
-//
-// That's a fine thing to test when this code is accepted by the
-// compiler, and this code is being transcribed accordingly into
-// the ui test issue-21232-partial-init-and-use.rs
-
 extern crate test;
 
 enum Void {}