message: [ARC] Make char unsigned by default
  Summary: This patch specifies 'char' default sign on ARC.
  Reviewers: tatyana-krasnukha, clayborg
  Subscribers: clayborg, lldb-commits
diff: @@ -815,6 +815,7 @@ bool ArchSpec::CharIsSignedByDefault() const {
  case llvm::Triple::ppc64le:
  case llvm::Triple::systemz:
  case llvm::Triple::xcore:
  + case llvm::Triple::arc:
  return false;
  }
  }
  