================
@@ -51,8 +51,14 @@ llvm::Expected<PathSeq> enumerateFiles(FileManager &FM,
StringRef Directory) {
if (EC)
return errorCodeToError(EC);
+ // Ensure the iterator is valid before dereferencing.
+ if (i == ie)
----------------
cyndyishida wrote:
Why does this make a difference? The same check happens at each iteration of
the loop on line 50. There's no mutations on `i` or `ie` between there and this
check.
https://github.com/llvm/llvm-project/pull/97900
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