Auto merge of #146082 - nnethercote:triomphe-extending, r=<try>

Use `triomphe::ThinArc` in `TokenStream`.

Author: rust-bors[bot]

Cargo.lock

@@ -3325,6 +3325,7 @@ dependencies = [
  "smallvec",
  "thin-vec",
  "tracing",
+ "triomphe",
 ]
 
 [[package]]
@@ -3615,6 +3616,7 @@ dependencies = [
  "tempfile",
  "thin-vec",
  "tracing",
+ "triomphe",
  "windows 0.61.3",
 ]
 
@@ -5601,6 +5603,16 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "triomphe"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef8f7726da4807b58ea5c96fdc122f80702030edc33b35aff9190a51148ccc85"
+dependencies = [
+ "serde",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "twox-hash"
 version = "1.6.3"

Cargo.toml

@@ -84,6 +84,7 @@ serde_json = "1.0.142"
 tempfile = "3.20.0"
 thin-vec = "0.2.14"
 tracing = "0.1.37"
+triomphe = "0.1.14"
 # tidy-alphabetical-end
 
 [profile.release.package.rustc_thread_pool]

compiler/rustc_ast/Cargo.toml

@@ -17,4 +17,5 @@ rustc_span = { path = "../rustc_span" }
 smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
 thin-vec.workspace = true
 tracing.workspace = true
+triomphe.workspace = true # njn: hmm
 # tidy-alphabetical-end