Add heuristic to avoid treating x + +2 as increment

2022-02-17 16:30:48 -08:00
parent 29a5c363c7
commit 4212835d99
3 changed files with 11 additions and 18 deletions
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -269,6 +269,7 @@ impl<'a> Parser<'a> {

            if self.prev_token == token::BinOp(token::Plus)
                && self.token == token::BinOp(token::Plus)
+                && self.prev_token.span.between(self.token.span).is_empty()
            {
                let op_span = self.prev_token.span.to(self.token.span);
                // Eat the second `+`