fix infinite recursion in ufuzz code generation (#4592)

2021-01-24 15:37:57 +00:00
parent fd7ad8e779
commit a08d42555a
1 changed files with 2 additions and 1 deletions
--- a/test/ufuzz/index.js
+++ b/test/ufuzz/index.js
@@ -1587,9 +1587,10 @@ function getVarName(noConst) {
 function createVarName(maybe, dontStore) {
    if (!maybe || rng(2)) {
        var suffix = rng(3);
-        var name;
+        var name, tries = 10;
        do {
            name = VAR_NAMES[rng(VAR_NAMES.length)];
+            if (--tries < 0) suffix++;
            if (suffix) name += "_" + suffix;
        } while (unique_vars.indexOf(name) >= 0 || block_vars.indexOf(name) >= 0 || async && name == "await");
        if (!dontStore) VAR_NAMES.push(name);