================
@@ -2466,15 +2466,21 @@ Preprocessor::ImportAction
Preprocessor::HandleHeaderIncludeOrImport(
// The drive letter is optional for absolute paths on Windows, but
// clang currently cannot process absolute paths in #include lines that
// don't have a drive.
- // If the first entry in Components is a directory separator,
- // then the code at the bottom of this loop that keeps the original
- // directory separator style copies it. If the second entry is
- // a directory separator (the C:\ case), then that separator already
- // got copied when the C: was processed and we want to skip that entry.
- if (!(Component.size() == 1 && IsSep(Component[0])))
+ if (Component.size() == 1 && IsSep(Component[0])) {
+ // Note: Path always contains at least '<' or '"'.
+ if (Path.size() == 1) {
----------------
cachemeifyoucan wrote:
I feel better if the comment just explains both branches, instead of using `if`
to separate comments. I might even consider write a big block to combine with
the comments before `if (Component.size() == 1 && IsSep(Component[0]))`. I
don't feel the this code is very easy to understand with current comment.
https://github.com/llvm/llvm-project/pull/74782
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