[clang] [clang][deps][NFC] Replace a vector with an array (PR #169555)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: David Stone (davidstone)

<details>
<summary>Changes</summary>

`ResourceDirectoryCache::findResourceDir` uses a `std::vector` when a `std::array` would do.

---
Full diff: https://github.com/llvm/llvm-project/pull/169555.diff


1 Files Affected:

- (modified) clang/tools/clang-scan-deps/ClangScanDeps.cpp (+3-5) 


``````````diff
diff --git a/clang/tools/clang-scan-deps/ClangScanDeps.cpp b/clang/tools/clang-scan-deps/ClangScanDeps.cpp
index 5f5bf42df5e6b..3efa28b0469c1 100644
--- a/clang/tools/clang-scan-deps/ClangScanDeps.cpp
+++ b/clang/tools/clang-scan-deps/ClangScanDeps.cpp
@@ -284,11 +284,9 @@ class ResourceDirectoryCache {
     if (CachedResourceDir != Cache.end())
       return CachedResourceDir->second;
 
-    std::vector<StringRef> PrintResourceDirArgs{ClangBinaryName};
-    if (ClangCLMode)
-      PrintResourceDirArgs.push_back("/clang:-print-resource-dir");
-    else
-      PrintResourceDirArgs.push_back("-print-resource-dir");
+    const std::array<StringRef, 2> PrintResourceDirArgs{
+        ClangBinaryName,
+        ClangCLMode ? "/clang:-print-resource-dir" : "-print-resource-dir"};
 
     llvm::SmallString<64> OutputFile, ErrorFile;
     llvm::sys::fs::createTemporaryFile("print-resource-dir-output",

``````````

</details>


https://github.com/llvm/llvm-project/pull/169555