[clang] [clang][scan-deps] Add option to disable caching stat failures (PR #144000)

[Ben Langmuir via cfe-commits]

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@@ -1081,7 +1084,8 @@ int clang_scan_deps_main(int argc, char **argv, const llvm::ToolContext &) {
   };
 
   DependencyScanningService Service(ScanMode, Format, OptimizeArgs,
-                                    EagerLoadModules, /*TraceVFS=*/Verbose);
+                                    EagerLoadModules, /*TraceVFS=*/Verbose,
+                                    CacheNegativeStats);
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benlangmuir wrote:

I think this is passing the flag to the `BuildSessionTimestamp` parameter.

https://github.com/llvm/llvm-project/pull/144000