Fix _WIN32 Wundef warning; NFC

[svenvh]

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

[llvmbot]

@llvm/pr-subscribers-llvm-support

Author: Sven van Haastregt (svenvh)

Changes

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

---

Full diff: https://github.com/llvm/llvm-project/pull/159301.diff

1 Files Affected:

• (modified) llvm/lib/Support/raw_socket_stream.cpp (+1-1)

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)

[mstorsjo]

LGTM, thanks!