diff options
Diffstat (limited to 'compiler/rustc_ast/src/ast.rs')
| -rw-r--r-- | compiler/rustc_ast/src/ast.rs | 15 | 
1 files changed, 10 insertions, 5 deletions
diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 114b9835b98..7b1b609a084 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -1447,11 +1447,15 @@ impl Expr { } } - ExprKind::Break(..) - | ExprKind::Ret(..) - | ExprKind::Yield(..) - | ExprKind::Yeet(..) - | ExprKind::Become(..) => ExprPrecedence::Jump, + ExprKind::Break(_ /*label*/, value) + | ExprKind::Ret(value) + | ExprKind::Yield(YieldKind::Prefix(value)) + | ExprKind::Yeet(value) => match value { + Some(_) => ExprPrecedence::Jump, + None => ExprPrecedence::Unambiguous, + }, + + ExprKind::Become(_) => ExprPrecedence::Jump, // `Range` claims to have higher precedence than `Assign`, but `x .. x = x` fails to // parse, instead of parsing as `(x .. x) = x`. Giving `Range` a lower precedence @@ -1508,6 +1512,7 @@ impl Expr { | ExprKind::Underscore | ExprKind::UnsafeBinderCast(..) | ExprKind::While(..) + | ExprKind::Yield(YieldKind::Postfix(..)) | ExprKind::Err(_) | ExprKind::Dummy => ExprPrecedence::Unambiguous, }  | 
