--- a/src/llvm/lib/CAS/HashMappedTrie.cpp	2026-04-05 16:33:48.000000000 +0800
+++ b/src/llvm/lib/CAS/HashMappedTrie.cpp	2026-08-19 03:04:37.000000000 +0800
@@ -20,7 +20,7 @@
 
 namespace {
 struct TrieNode {
-  const bool IsSubtrie = false;
+  const uint8_t IsSubtrie = false;
 
   TrieNode(bool IsSubtrie) : IsSubtrie(IsSubtrie) {}