Auto merge of rust-lang#107811 - matthiaskrgr:rollup-rpjzshk, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#105641 (Implement cursors for BTreeMap)
 - rust-lang#107271 (Treat Drop as a rmw operation)
 - rust-lang#107710 (Update strip-ansi-escapes and vte)
 - rust-lang#107758 (Change `arena_cache` to not alter the declared query result)
 - rust-lang#107777 (Make `derive_const` derive properly const-if-const impls)
 - rust-lang#107780 (Rename `replace_bound_vars_with_*` to `instantiate_binder_with_*`)
 - rust-lang#107793 (Add missing tracking issue for `RawOsError`)
 - rust-lang#107807 (Fix small debug typo)

Failed merges:

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

Author: bors

Cargo.lock

@@ -127,6 +127,12 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f8cb5d814eb646a863c4f24978cff2880c4be96ad8cde2c0f0678732902e271"
 
+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
 [[package]]
 name = "arrayvec"
 version = "0.7.0"
@@ -791,7 +797,7 @@ dependencies = [
 name = "clippy_utils"
 version = "0.1.69"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.0",
  "if_chain",
  "itertools",
  "rustc-semver",
@@ -3912,7 +3918,7 @@ dependencies = [
 name = "rustc_data_structures"
 version = "0.0.0"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.0",
  "bitflags",
  "cfg-if",
  "ena",
@@ -4169,7 +4175,7 @@ dependencies = [
 name = "rustc_index"
 version = "0.0.0"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.0",
  "rustc_macros",
  "rustc_serialize",
  "smallvec",
@@ -4866,7 +4872,7 @@ dependencies = [
 name = "rustdoc"
 version = "0.0.0"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.0",
  "askama",
  "expect-test",
  "itertools",
@@ -5375,9 +5381,9 @@ dependencies = [
 
 [[package]]
 name = "strip-ansi-escapes"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d63676e2abafa709460982ddc02a3bb586b6d15a49b75c212e06edd3933acee"
+checksum = "011cbb39cf7c1f62871aea3cc46e5817b0937b49e9447370c93cacbe93a766d8"
 dependencies = [
  "vte",
 ]
@@ -6089,9 +6095,9 @@ checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
 
 [[package]]
 name = "utf8parse"
-version = "0.1.1"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8772a4ccbb4e89959023bc5b7cb8623a795caa7092d99f3aa9501b9484d4557d"
+checksum = "936e4b492acfd135421d8dca4b1aa80a7bfc26e702ef3af710e0752684df5372"
 
 [[package]]
 name = "uuid"
@@ -6122,11 +6128,23 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "vte"
-version = "0.3.3"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f42f536e22f7fcbb407639765c8fd78707a33109301f834a594758bedd6e8cf"
+checksum = "6cbce692ab4ca2f1f3047fcf732430249c0e971bfdd2b234cf2c47ad93af5983"
 dependencies = [
+ "arrayvec 0.5.2",
  "utf8parse",
+ "vte_generate_state_changes",
+]
+
+[[package]]
+name = "vte_generate_state_changes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d257817081c7dffcdbab24b9e62d2def62e2ff7d00b1c20062551e6cccc145ff"
+dependencies = [
+ "proc-macro2",
+ "quote",
 ]
 
 [[package]]

compiler/rustc_ast_pretty/src/pprust/state.rs

@@ -1567,8 +1567,18 @@ impl<'a> State<'a> {
 
             match bound {
                 GenericBound::Trait(tref, modifier) => {
-                    if modifier == &TraitBoundModifier::Maybe {
-                        self.word("?");
+                    match modifier {
+                        TraitBoundModifier::None => {}
+                        TraitBoundModifier::Maybe => {
+                            self.word("?");
+                        }
+                        TraitBoundModifier::MaybeConst => {
+                            self.word_space("~const");
+                        }
+                        TraitBoundModifier::MaybeConstMaybe => {
+                            self.word_space("~const");
+                            self.word("?");
+                        }
                     }
                     self.print_poly_trait_ref(tref);
                 }