commit 9ffb5663818e2281208da2ba8ea48a6193681453
author Yang Fan <nullptr.cpp@gmail.com> Thu Feb 18 14:23:18 2021 +0800
committer Copybara-Service <copybara-worker@google.com> Fri Feb 19 03:22:59 2021 -0800
tree c25557fb2fe50873951ce7f51b6c5a46c4ec4081
parent 576a0f3c668064e7f9d7c4eef7cebad2e72eed7c

[MC][ELF] Fix unused variable warning (NFC)

GCC warning:
```
/llvm-project/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp: In member function ‘virtual llvm::MCSection* llvm::TargetLoweringObjectFileELF::getSectionForLSDA(const llvm::Function&, const llvm::MCSymbol&, const llvm::TargetMachine&) const’:
/llvm-project/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp:871:8: warning: variable ‘IsComdat’ set but not used [-Wunused-but-set-variable]
  871 |   bool IsComdat = false;
      |        ^~~~~~~~
```

GitOrigin-RevId: 796feb61637c407aefcc0d462f24a1cc41f350d8

lib/CodeGen/TargetLoweringObjectFileImpl.cpp

diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 49c9d46..7d3d402 100644
--- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -868,11 +868,9 @@
   unsigned Flags = LSDA->getFlags();
   const MCSymbolELF *LinkedToSym = nullptr;
   StringRef Group;
-  bool IsComdat = false;
   if (const Comdat *C = getELFComdat(&F)) {
     Flags |= ELF::SHF_GROUP;
     Group = C->getName();
-    IsComdat = C->getSelectionKind() == Comdat::Any;
   }
   // Use SHF_LINK_ORDER to facilitate --gc-sections if we can use GNU ld>=2.36
   // or LLD, which support mixed SHF_LINK_ORDER & non-SHF_LINK_ORDER.