[PATCH] D46602: [clang-tidy] Store checks profiling info as YAML files
    Roman Lebedev via Phabricator via llvm-commits 
    llvm-commits at lists.llvm.org
       
    Sat Jun  2 05:31:36 PDT 2018
    
    
  
lebedev.ri added inline comments.
================
Comment at: clang-tidy/tool/ClangTidyMain.cpp:342-347
+    if (!llvm::sys::fs::exists(AbsolutePath)) {
+      // If the destination prefix does not exist, don't try to use real_path().
+      return AbsolutePath;
+    }
+    SmallString<256> dest;
+    if (std::error_code EC = llvm::sys::fs::real_path(AbsolutePath, dest)) {
----------------
aaron.ballman wrote:
> This creates a TOCTOU bug; can you call `real_path()` without checking for existence and instead check the error code to decide whether to spit out an error or return `AbsolutePath`?
Hmm, i think this can just go away.
Repository:
  rCTE Clang Tools Extra
https://reviews.llvm.org/D46602
    
    
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