prevent underflow in ast.zig#fullWhile() (#848)

2022-12-25 14:44:25 -08:00
parent f6c15ac10c
commit faae689ff7
1 changed files with 1 additions and 1 deletions
--- a/src/ast.zig
+++ b/src/ast.zig
@@ -167,7 +167,7 @@ fn fullWhile(tree: Ast, info: full.While.Components) full.While {
        .else_token = undefined,
        .error_token = null,
    };
-    var tok_i = info.while_token - 1;
+    var tok_i = info.while_token -| 1;
    if (token_tags[tok_i] == .keyword_inline) {
        result.inline_token = tok_i;
        tok_i -= 1;