Keep the latest timestamp

jansvoboda11 · jansvoboda11 · commit fea21964e348 · 2025-04-29T09:08:40.000-07:00
diff --git a/clang/lib/Tooling/DependencyScanning/InProcessModuleCache.cpp b/clang/lib/Tooling/DependencyScanning/InProcessModuleCache.cpp
@@ -97,9 +97,7 @@ class InProcessModuleCache : public ModuleCache {
       return Entry->Timestamp;
     }();
 
-    std::time_t Expected = 0;
-    std::time_t Now = llvm::sys::toTimeT(std::chrono::system_clock::now());
-    Timestamp.compare_exchange_weak(Expected, Now);
+    Timestamp.store(llvm::sys::toTimeT(std::chrono::system_clock::now()));
   }
 
   InMemoryModuleCache &getInMemoryModuleCache() override { return InMemory; }

Original file line number	Diff line number	Diff line change
`@@ -97,9 +97,7 @@ class InProcessModuleCache : public ModuleCache {`
`97`	`97`	`return Entry->Timestamp;`
`98`	`98`	`}();`
`99`	`99`
`100`		`- std::time_t Expected = 0;`
`101`		`- std::time_t Now = llvm::sys::toTimeT(std::chrono::system_clock::now());`
`102`		`- Timestamp.compare_exchange_weak(Expected, Now);`
	`100`	`+ Timestamp.store(llvm::sys::toTimeT(std::chrono::system_clock::now()));`
`103`	`101`	`}`
`104`	`102`
`105`	`103`	`InMemoryModuleCache &getInMemoryModuleCache() override { return InMemory; }`