Auto merge of #121937 - GuillaumeGomez:rollup-9684vg3, r=GuillaumeGomez

Rollup of 3 pull requests

Successful merges:

 - #121917 (Add new `pattern_complexity` attribute to add possibility to limit and check recursion in pattern matching)
 - #121933 (Add missing get_name for wasm::thread.)
 - #121934 (rustc_log: expose tracing-tree "wraparound" in an env var)

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

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/ui/feature-gates/feature-gate-pattern-complexity.rs b/tests/ui/feature-gates/feature-gate-pattern-complexity.rs
new file mode 100644
index 00000000000..43e9a00c9a7
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-pattern-complexity.rs
@@ -0,0 +1,6 @@
+// check that `pattern_complexity` is feature-gated
+
+#![pattern_complexity = "42"]
+//~^ ERROR: the `#[pattern_complexity]` attribute is just used for rustc unit tests
+
+fn main() {}