[clang] [clang-scan-deps] Avoid repeated map lookups (NFC) (PR #127023)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/127023.diff


1 Files Affected:

- (modified) clang/tools/clang-scan-deps/ClangScanDeps.cpp (+1-2) 


``````````diff
diff --git a/clang/tools/clang-scan-deps/ClangScanDeps.cpp b/clang/tools/clang-scan-deps/ClangScanDeps.cpp
index 4b39ae9c35c04..9cdb1eae56187 100644
--- a/clang/tools/clang-scan-deps/ClangScanDeps.cpp
+++ b/clang/tools/clang-scan-deps/ClangScanDeps.cpp
@@ -308,8 +308,7 @@ class ResourceDirectoryCache {
       return "";
     StringRef Output = OutputBuf.get()->getBuffer().rtrim('\n');
 
-    Cache[ClangBinaryPath] = Output.str();
-    return Cache[ClangBinaryPath];
+    return Cache[ClangBinaryPath] = Output.str();
   }
 
 private:

``````````

</details>


https://github.com/llvm/llvm-project/pull/127023