message: [SymbolContext] Rewrite operator== to be more concise.
  And probably, less error prone. NFCI.
diff: @@ -393,12 +393,7 @@ bool lldb_private::operator==(const SymbolContext &lhs,
  bool lldb_private::operator!=(const SymbolContext &lhs,
  const SymbolContext &rhs) {
  - return lhs.function != rhs.function || lhs.symbol != rhs.symbol ||
  - lhs.module_sp.get() != rhs.module_sp.get() ||
  - lhs.comp_unit != rhs.comp_unit ||
  - lhs.target_sp.get() != rhs.target_sp.get() ||
  - LineEntry::Compare(lhs.line_entry, rhs.line_entry) != 0 ||
  - lhs.variable != rhs.variable;
  + return !(lhs == rhs);
  }
  bool SymbolContext::GetAddressRange(uint32_t scope, uint32_t range_idx,
  