[llvm] 07a7928 - Fix _WIN32 Wundef warning; NFC (#159301)

[via llvm-commits]

Author: Sven van Haastregt
Date: 2025-09-17T12:30:10+02:00
New Revision: 07a79285d2d63615070173e6768b6e0174c18084

URL: https://github.com/llvm/llvm-project/commit/07a79285d2d63615070173e6768b6e0174c18084
DIFF: https://github.com/llvm/llvm-project/commit/07a79285d2d63615070173e6768b6e0174c18084.diff

LOG: Fix _WIN32 Wundef warning; NFC (#159301)

The `_WIN32` macro is tested for defined-ness everywhere else. The
instance here triggers a warning when compiling with `-Wundef`.

Added: 
    

Modified: 
    llvm/lib/Support/raw_socket_stream.cpp

Removed: 
    


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diff  --git a/llvm/lib/Support/raw_socket_stream.cpp b/llvm/lib/Support/raw_socket_stream.cpp
index fd1c681672138..3b510d357fd5d 100644
--- a/llvm/lib/Support/raw_socket_stream.cpp
+++ b/llvm/lib/Support/raw_socket_stream.cpp
@@ -255,7 +255,7 @@ manageTimeout(const std::chrono::milliseconds &Timeout,
   // has been canceled by another thread
   if (getActiveFD() == -1 || (CancelFD.has_value() && FD[1].revents & POLLIN))
     return std::make_error_code(std::errc::operation_canceled);
-#if _WIN32
+#ifdef _WIN32
   if (PollStatus == SOCKET_ERROR)
 #else
   if (PollStatus == -1)