[lld][MachO] Adjust isCodeSection signature

[alexander-shaposhnikov]

Summary

This diff changes the type of the argument of isCodeSection to const InputSection *.
NFC.

Test plan: make check-lld-macho

[int3]

thanks!

lld/MachO/InputSection.h

return sectionType(flags) == llvm::MachO::S_THREAD_LOCAL_REGULAR ||
          sectionType(flags) == llvm::MachO::S_THREAD_LOCAL_ZEROFILL;
 }
 
 inline bool isDebugSection(uint32_t flags) {
   return (flags & llvm::MachO::SECTION_ATTRIBUTES_USR) ==
          llvm::MachO::S_ATTR_DEBUG;
 }
 
-bool isCodeSection(InputSection *);
+bool isCodeSection(const InputSection *);
 
 extern std::vector<InputSection *> inputSections;
 
 namespace section_names {
 
 constexpr const char authGot[] = "__auth_got";
 constexpr const char authPtr[] = "__auth_ptr";
 constexpr const char binding[] = "__binding";

lld/MachO/InputSection.cpp

for (size_t i = 0; i < relocs.size(); i++) {
     } else if (auto *referentIsec = r.referent.dyn_cast<InputSection *>()) {
       assert(!referentIsec->shouldOmitFromOutput());
       referentVA = referentIsec->getVA();
     }
     target->relocateOne(loc, r, referentVA + r.addend, getVA() + r.offset);
   }
 }
 
-bool macho::isCodeSection(InputSection *isec) {
+bool macho::isCodeSection(const InputSection *isec) {
   uint32_t type = isec->flags & SECTION_TYPE;
   if (type != S_REGULAR && type != S_COALESCED)
     return false;
 
   uint32_t attr = isec->flags & SECTION_ATTRIBUTES_USR;
   if (attr == S_ATTR_PURE_INSTRUCTIONS)
     return true;