Auto merge of #142795 - Kobzol:rollup-vvnnjno, r=Kobzol

Rollup of 10 pull requests

Successful merges:

 - rust-lang/rust#142629 (Add config builder for bootstrap tests)
 - rust-lang/rust#142715 (correct template for `#[align]` attribute)
 - rust-lang/rust#142720 (De-dup common code from `ExternalCrate` methods)
 - rust-lang/rust#142736 (add issue template for rustdoc)
 - rust-lang/rust#142743 (rustc-dev-guide subtree update)
 - rust-lang/rust#142744 (Add a mailmap entry for y21)
 - rust-lang/rust#142758 (Make sure to rebuild rustdoc if `src/rustdoc-json-types` is changed)
 - rust-lang/rust#142764 (Convert `ilog(10)` to `ilog10()`)
 - rust-lang/rust#142767 (Some symbol and PathRoot cleanups)
 - rust-lang/rust#142769 (remove equivalent new method on context)

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

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs
index fc507285860..233bb5cd5b8 100644
--- a/compiler/rustc_hir_pretty/src/lib.rs
+++ b/compiler/rustc_hir_pretty/src/lib.rs
@@ -22,7 +22,7 @@ use rustc_hir::{
     TyPatKind,
 };
 use rustc_span::source_map::SourceMap;
-use rustc_span::{FileName, Ident, Span, Symbol, kw};
+use rustc_span::{FileName, Ident, Span, Symbol, kw, sym};
 use {rustc_ast as ast, rustc_hir as hir};
 
 pub fn id_to_string(cx: &dyn rustc_hir::intravisit::HirTyCtxt<'_>, hir_id: HirId) -> String {
@@ -1517,7 +1517,7 @@ impl<'a> State<'a> {
                 self.bopen(ib);
 
                 // Print `let _t = $init;`:
-                let temp = Ident::from_str("_t");
+                let temp = Ident::with_dummy_span(sym::_t);
                 self.print_local(false, Some(init), None, |this| this.print_ident(temp));
                 self.word(";");