Auto merge of #125257 - jieyouxu:rollup-11evnm9, r=jieyouxu

Rollup of 3 pull requests

Successful merges:

 - #125214 (Only make GAT ambiguous in `match_projection_projections` considering shallow resolvability)
 - #125236 (Add tests for `-Zunpretty=expanded` ported from stringify's tests)
 - #125251 (Clarify how String::leak and into_boxed_str differ )

r? `@ghost`
`@rustbot` modify labels: rollup

src/tools/tidy/src/issues.txt

@@ -2915,7 +2915,6 @@ ui/macros/issue-95267.rs
 ui/macros/issue-95533.rs
 ui/macros/issue-98466-allow.rs
 ui/macros/issue-98466.rs
-ui/macros/issue-98790.rs
 ui/macros/issue-99261.rs
 ui/macros/issue-99265.rs
 ui/macros/issue-99907.rs

src/tools/tidy/src/ui_tests.rs

@@ -41,6 +41,7 @@ const EXTENSION_EXCEPTION_PATHS: &[&str] = &[
     "tests/ui/macros/not-utf8.bin", // testing including data with the include macros
     "tests/ui/macros/syntax-extension-source-utils-files/includeme.fragment", // more include
     "tests/ui/proc-macro/auxiliary/included-file.txt", // more include
+    "tests/ui/unpretty/auxiliary/data.txt", // more include
     "tests/ui/invalid/foo.natvis.xml", // sample debugger visualizer
     "tests/ui/sanitizer/dataflow-abilist.txt", // dataflow sanitizer ABI list file
     "tests/ui/shell-argfiles/shell-argfiles.args", // passing args via a file