Auto merge of #142099 - matthiaskrgr:rollup-r9s3c35, r=matthiaskrgr

Rollup of 11 pull requests

Successful merges:

 - rust-lang/rust#125087 (Optimize `Seek::stream_len` impl for `File`)
 - rust-lang/rust#141982 (`tests/ui`: A New Order [5/N])
 - rust-lang/rust#142012 (Replace some `Option<Span>` with `Span` and use DUMMY_SP instead of None)
 - rust-lang/rust#142044 (compiler: Document the offset invariant of `OperandValue::Pair`)
 - rust-lang/rust#142047 (Ensure stack in two places that affect s390x)
 - rust-lang/rust#142058 (Clean `rustc_attr_parsing/src/lib.rs` documentation)
 - rust-lang/rust#142067 (canon_abi: make to_erased_extern_abi just a detail in formatting)
 - rust-lang/rust#142072 (doc: Fix inverted meaning in E0783.md)
 - rust-lang/rust#142084 (add myself to rotation)
 - rust-lang/rust#142091 (Fix AIX build)
 - rust-lang/rust#142092 (rustdoc: Support middle::ty associated const equality predicates again)

Failed merges:

 - rust-lang/rust#142042 (Make E0621 missing lifetime suggestion verbose)

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

1 files changed, 12 insertions, 8 deletions

diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs
index 17481731b11..6eaec2e29ad 100644
--- a/compiler/rustc_parse/src/parser/ty.rs
+++ b/compiler/rustc_parse/src/parser/ty.rs
@@ -7,6 +7,7 @@ use rustc_ast::{
     Pinnedness, PolyTraitRef, PreciseCapturingArg, TraitBoundModifiers, TraitObjectSyntax, Ty,
     TyKind, UnsafeBinderTy,
 };
+use rustc_data_structures::stack::ensure_sufficient_stack;
 use rustc_errors::{Applicability, Diag, PResult};
 use rustc_span::{ErrorGuaranteed, Ident, Span, kw, sym};
 use thin_vec::{ThinVec, thin_vec};
@@ -104,14 +105,17 @@ fn can_begin_dyn_bound_in_edition_2015(t: &Token) -> bool {
 impl<'a> Parser<'a> {
     /// Parses a type.
     pub fn parse_ty(&mut self) -> PResult<'a, P<Ty>> {
-        self.parse_ty_common(
-            AllowPlus::Yes,
-            AllowCVariadic::No,
-            RecoverQPath::Yes,
-            RecoverReturnSign::Yes,
-            None,
-            RecoverQuestionMark::Yes,
-        )
+        // Make sure deeply nested types don't overflow the stack.
+        ensure_sufficient_stack(|| {
+            self.parse_ty_common(
+                AllowPlus::Yes,
+                AllowCVariadic::No,
+                RecoverQPath::Yes,
+                RecoverReturnSign::Yes,
+                None,
+                RecoverQuestionMark::Yes,
+            )
+        })
     }
 
     pub(super) fn parse_ty_with_generics_recovery(