Reduce predence of rhs of let-expr

dtolnay · Jan 20, 2022 · dd82fff · dd82fff
1 parent 2468457
commit dd82fff
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Showing 2 changed files with 5 additions and 9 deletions.
diff --git a/src/expr.rs b/src/expr.rs
@@ -2112,7 +2112,11 @@ pub(crate) mod parsing {
                 let_token: input.parse()?,
                 pat: pat::parsing::multi_pat_with_leading_vert(input)?,
                 eq_token: input.parse()?,
-                expr: Box::new(input.call(Expr::parse_without_eager_brace)?),
+                expr: Box::new({
+                    let allow_struct = AllowStruct(false);
+                    let lhs = unary_expr(input, allow_struct)?;
+                    parse_expr(input, lhs, allow_struct, Precedence::Compare)?
+                }),
             })
         }
     }

diff --git a/tests/repo/mod.rs b/tests/repo/mod.rs
@@ -14,14 +14,6 @@ const REVISION: &str = "5e57faa78aa7661c6000204591558f6665f11abc";
 
 #[rustfmt::skip]
 static EXCLUDE: &[&str] = &[
-    // TODO: let chains
-    "src/test/ui/expr/if/attrs/let-chains-attr.rs",
-    "src/test/ui/mir/mir_let_chains_drop_order.rs",
-    "src/test/ui/rfc-2497-if-let-chains/ast-lowering-does-not-wrap-let-chains.rs",
-    "src/test/ui/rfc-2497-if-let-chains/irrefutable-lets.rs",
-    "src/test/ui/rfc-2497-if-let-chains/issue-90722.rs",
-    "src/test/ui/rfc-2497-if-let-chains/then-else-blocks.rs",
-
     // TODO: impl ~const T {}
     // https://github.com/dtolnay/syn/issues/1051
     "src/test/ui/rfc-2632-const-trait-impl/syntax.rs",