Correctly break out of recovery loop

src/libsyntax/parse/parser.rs

@@ -4629,6 +4629,9 @@ impl<'a> Parser<'a> {
     fn parse_block_tail(&mut self, lo: Span, s: BlockCheckMode) -> PResult<'a, P<Block>> {
         let mut stmts = vec![];
         while !self.eat(&token::CloseDelim(token::Brace)) {
+            if self.token == token::Eof {
+                break;
+            }
             let stmt = match self.parse_full_stmt(false) {
                 Err(mut err) => {
                     err.emit();
@@ -4643,8 +4646,6 @@ impl<'a> Parser<'a> {
             };
             if let Some(stmt) = stmt {
                 stmts.push(stmt);
-            } else if self.token == token::Eof {
-                break;
             } else {
                 // Found only `;` or `}`.
                 continue;

src/test/ui/issues/issue-61858.rs

@@ -0,0 +1,3 @@
+fn main() {
+    (if foobar) //~ ERROR expected `{`, found `)`
+}

src/test/ui/issues/issue-61858.stderr

@@ -0,0 +1,10 @@
+error: expected `{`, found `)`
+  --> $DIR/issue-61858.rs:2:15
+   |
+LL |     (if foobar)
+   |      --       ^ expected `{`
+   |      |
+   |      this `if` statement has a condition, but no block
+
+error: aborting due to previous error
+