Auto merge of #66189 - Centril:rollup-3bsf45s, r=Centril

Rollup of 5 pull requests

Successful merges:

 - #63793 (Have tidy ensure that we document all `unsafe` blocks in libcore)
 - #64696 ([rustdoc] add sub settings)
 - #65916 (syntax: move stuff around)
 - #66087 (Update some build-pass ui tests to use check-pass where applicable)
 - #66182 (invalid_value lint: fix help text)

Failed merges:

r? @ghost

1 files changed, 0 insertions, 25 deletions

diff --git a/src/libsyntax/parse/classify.rs b/src/libsyntax/parse/classify.rs
deleted file mode 100644
index 44560688750..00000000000
--- a/src/libsyntax/parse/classify.rs
+++ /dev/null
@@ -1,25 +0,0 @@
-//! Routines the parser uses to classify AST nodes
-
-// Predicates on exprs and stmts that the pretty-printer and parser use
-
-use crate::ast;
-
-/// Does this expression require a semicolon to be treated
-/// as a statement? The negation of this: 'can this expression
-/// be used as a statement without a semicolon' -- is used
-/// as an early-bail-out in the parser so that, for instance,
-///     if true {...} else {...}
-///      |x| 5
-/// isn't parsed as (if true {...} else {...} | x) | 5
-pub fn expr_requires_semi_to_be_stmt(e: &ast::Expr) -> bool {
-    match e.kind {
-        ast::ExprKind::If(..) |
-        ast::ExprKind::Match(..) |
-        ast::ExprKind::Block(..) |
-        ast::ExprKind::While(..) |
-        ast::ExprKind::Loop(..) |
-        ast::ExprKind::ForLoop(..) |
-        ast::ExprKind::TryBlock(..) => false,
-        _ => true,
-    }
-}