[llvm] [llvm-readobj][ELF] Remove redundant error in reportWarning (PR #192458)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-binary-utilities

Author: aokblast

<details>
<summary>Changes</summary>

If MapOrError contains no error, calling takeError() results in undefined behavior and may crash the program.

---
Full diff: https://github.com/llvm/llvm-project/pull/192458.diff


1 Files Affected:

- (modified) llvm/tools/llvm-readobj/ELFDumper.cpp (+1-2) 


``````````diff
diff --git a/llvm/tools/llvm-readobj/ELFDumper.cpp b/llvm/tools/llvm-readobj/ELFDumper.cpp
index bcb580119fb85..bfe1f89c1493d 100644
--- a/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -8245,8 +8245,7 @@ template <class ELFT> void LLVMELFDumper<ELFT>::printCallGraphInfo() {
     return;
   }
   if (MapOrErr->empty()) {
-    reportWarning(createError("no SHT_LLVM_CALL_GRAPH section found" +
-                              toString(MapOrErr.takeError())),
+    reportWarning(createError("no SHT_LLVM_CALL_GRAPH section found"),
                   this->FileName);
     return;
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/192458