https://github.com/mstorsjo created 
https://github.com/llvm/llvm-project/pull/159345

This avoids the following warnings from Clang:

    ../../lldb/source/Host/windows/Host.cpp:324:3: warning: default label in 
switch which covers all enumeration values [-Wcovered-switch-default]
      324 |   default:
          |   ^
    ../../lldb/source/Host/common/File.cpp:662:26: warning: cast from 'const 
void *' to 'char *' drops const qualifier [-Wcast-qual]
      662 |           .write((char *)buf, num_bytes);
          |                          ^

From 7577ab2c2d29efa705cae85b8a9b914a61e47140 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <[email protected]>
Date: Wed, 17 Sep 2025 15:21:08 +0300
Subject: [PATCH] [lldb] Avoid build warnings when building for Windows. NFC.

This avoids the following warnings from Clang:

    ../../lldb/source/Host/windows/Host.cpp:324:3: warning: default label in 
switch which covers all enumeration values [-Wcovered-switch-default]
      324 |   default:
          |   ^
    ../../lldb/source/Host/common/File.cpp:662:26: warning: cast from 'const 
void *' to 'char *' drops const qualifier [-Wcast-qual]
      662 |           .write((char *)buf, num_bytes);
          |                          ^
---
 lldb/source/Host/common/File.cpp  | 2 +-
 lldb/source/Host/windows/Host.cpp | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/lldb/source/Host/common/File.cpp b/lldb/source/Host/common/File.cpp
index 8fd1ca069dc01..1272f13c1d82d 100644
--- a/lldb/source/Host/common/File.cpp
+++ b/lldb/source/Host/common/File.cpp
@@ -659,7 +659,7 @@ Status NativeFile::Write(const void *buf, size_t 
&num_bytes) {
 #ifdef _WIN32
     if (is_windows_console) {
       llvm::raw_fd_ostream(_fileno(m_stream), false)
-          .write((char *)buf, num_bytes);
+          .write((const char *)buf, num_bytes);
       return error;
     }
 #endif
diff --git a/lldb/source/Host/windows/Host.cpp 
b/lldb/source/Host/windows/Host.cpp
index e8973a3fb937a..d5704eed10ecb 100644
--- a/lldb/source/Host/windows/Host.cpp
+++ b/lldb/source/Host/windows/Host.cpp
@@ -321,7 +321,6 @@ void Host::SystemLog(Severity severity, llvm::StringRef 
message) {
     stream << "[Error] ";
     break;
   case lldb::eSeverityInfo:
-  default:
     stream << "[Info] ";
     break;
   }

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