[llvm] [Support] Remove an unnecessary cast (NFC) (PR #146810)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-support

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

We don't need to cast std::string to std::string.


---
Full diff: https://github.com/llvm/llvm-project/pull/146810.diff


1 Files Affected:

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


``````````diff
diff --git a/llvm/lib/Support/Signals.cpp b/llvm/lib/Support/Signals.cpp
index 59288e97cb24e..f8a14a45ddc3e 100644
--- a/llvm/lib/Support/Signals.cpp
+++ b/llvm/lib/Support/Signals.cpp
@@ -277,7 +277,7 @@ static bool printSymbolizedStackTrace(StringRef Argv0, void **StackTrace,
   // If we don't know argv0 or the address of main() at this point, try
   // to guess it anyway (it's possible on some platforms).
   std::string MainExecutableName =
-      sys::fs::exists(Argv0) ? (std::string)std::string(Argv0)
+      sys::fs::exists(Argv0) ? std::string(Argv0)
                              : sys::fs::getMainExecutable(nullptr, nullptr);
 
   auto SymbolizedAddressesOpt = collectAddressSymbols(

``````````

</details>


https://github.com/llvm/llvm-project/pull/146810