[clang-tools-extra] [clangd] Use InitLLVM (PR #69119)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clangd

Author: Aleksandr Platonov (ArcsinX)

<details>
<summary>Changes</summary>

This patch is similar to a7acba29c19ac67c77ed282ec9432602ae21268d but for clangd.

It allows to pass non-UTF8 encoded command line arguments (e.g. path where compile-commands.json file is located) on Windows.

---
Full diff: https://github.com/llvm/llvm-project/pull/69119.diff


1 Files Affected:

- (modified) clang-tools-extra/clangd/tool/ClangdMain.cpp (+2-1) 


``````````diff
diff --git a/clang-tools-extra/clangd/tool/ClangdMain.cpp b/clang-tools-extra/clangd/tool/ClangdMain.cpp
index f656a8c587c6533..9fd002d0eebba5f 100644
--- a/clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ b/clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -35,6 +35,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FileSystem.h"
+#include "llvm/Support/InitLLVM.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/Program.h"
@@ -714,8 +715,8 @@ int clangdMain(int argc, char *argv[]) {
   // Clang could run on the main thread. e.g., when the flag '-check' or '-sync'
   // is enabled.
   clang::noteBottomOfStack();
+  llvm::InitLLVM X(argc, argv);
   llvm::InitializeAllTargetInfos();
-  llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
   llvm::sys::AddSignalHandler(
       [](void *) {
         ThreadCrashReporter::runCrashHandlers();

``````````

</details>


https://github.com/llvm/llvm-project/pull/69119