[llvm] [CAS] Revert an unintentional change in #190634 (PR #190686)

[Steven Wu via llvm-commits]

https://github.com/cachemeifyoucan created https://github.com/llvm/llvm-project/pull/190686

Revert an unintentional change in #190634 that did an unintentional
implicit signed to unsigned cast.


>From 9ab2b6d0e6934af6d5c4dcbbeccb2f534a30e5ad Mon Sep 17 00:00:00 2001
From: Steven Wu <stevenwu at apple.com>
Date: Mon, 6 Apr 2026 14:03:14 -0700
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
 =?UTF-8?q?l=20version?=
MIME-Version: 1.0
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Created using spr 1.3.7
---
 llvm/lib/CAS/DatabaseFile.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/CAS/DatabaseFile.cpp b/llvm/lib/CAS/DatabaseFile.cpp
index f0f3c75d4550c..b862eabe7f35f 100644
--- a/llvm/lib/CAS/DatabaseFile.cpp
+++ b/llvm/lib/CAS/DatabaseFile.cpp
@@ -89,7 +89,7 @@ Error DatabaseFile::addTable(TableHandle Table) {
 }
 
 std::optional<TableHandle> DatabaseFile::findTable(StringRef Name) {
-  uint64_t RootTableOffset = H->RootTableOffset.load();
+  int64_t RootTableOffset = H->RootTableOffset.load();
   if (!RootTableOffset)
     return std::nullopt;