fix another underflow in ast.zig#fullWhile() (#853)

2022-12-26 21:45:52 -08:00
parent faae689ff7
commit 3139a787a1
1 changed files with 2 additions and 2 deletions
--- a/src/ast.zig
+++ b/src/ast.zig
@@ -173,9 +173,9 @@ fn fullWhile(tree: Ast, info: full.While.Components) full.While {
        tok_i -= 1;
    }
    if (token_tags[tok_i] == .colon and
-        token_tags[tok_i - 1] == .identifier)
+        token_tags[tok_i -| 1] == .identifier)
    {
-        result.label_token = tok_i - 1;
+        result.label_token = tok_i -| 1;
    }
    const last_cond_token = lastToken(tree, info.cond_expr);
    if (token_tags[last_cond_token + 2] == .pipe) {