[llvm] [llvm][Support][Windows] Avoid crash calling remove_directories() (PR #118677)

[Reid Kleckner via llvm-commits]

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@@ -1387,14 +1388,33 @@ std::error_code remove_directories(const Twine &path, bool IgnoreErrors) {
   Path16.push_back(0);
   Path16.push_back(0);
 
-  SHFILEOPSTRUCTW shfos = {};
-  shfos.wFunc = FO_DELETE;
-  shfos.pFrom = Path16.data();
-  shfos.fFlags = FOF_NO_UI;
-
-  int result = ::SHFileOperationW(&shfos);
-  if (result != 0 && !IgnoreErrors)
-    return mapWindowsError(result);
+  HRESULT HR;
+  do {
+    HR =
+        CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
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rnk wrote:

I did click through to the article, and I figured that shell32.dll is layered on top of COM, which is pretty low-level, so this isn't surprising. Let's do this then, it's equivalent, but disables shell hooks.

https://github.com/llvm/llvm-project/pull/118677