Address comments from alx32

Author: kyulee-com

lld/MachO/Driver.cpp

@@ -1328,20 +1328,22 @@ static void codegenDataGenerate() {
   OutlinedHashTreeRecord globalOutlineRecord;
   StableFunctionMapRecord globalMergeRecord;
   for (ConcatInputSection *isec : inputSections) {
-    if (isec->getSegName() == segment_names::data &&
-        isec->getName() == section_names::outlinedHashTree) {
+    if (isec->getSegName() != segment_names::data)
+      continue;
+    if (isec->getName() == section_names::outlinedHashTree) {
       // Read outlined hash tree from each section.
       OutlinedHashTreeRecord localOutlineRecord;
+      // Use a pointer to allow modification by the function.
       auto *data = isec->data.data();
       localOutlineRecord.deserialize(data);
 
       // Merge it to the global hash tree.
       globalOutlineRecord.merge(localOutlineRecord);
     }
-    if (isec->getSegName() == segment_names::data &&
-        isec->getName() == section_names::functionmap) {
+    if (isec->getName() == section_names::functionMap) {
       // Read stable functions from each section.
       StableFunctionMapRecord localMergeRecord;
+      // Use a pointer to allow modification by the function.
       auto *data = isec->data.data();
       localMergeRecord.deserialize(data);
 

lld/MachO/InputSection.h

@@ -339,7 +339,7 @@ constexpr const char const_[] = "__const";
 constexpr const char lazySymbolPtr[] = "__la_symbol_ptr";
 constexpr const char lazyBinding[] = "__lazy_binding";
 constexpr const char literals[] = "__literals";
-constexpr const char functionmap[] = "__llvm_merge";
+constexpr const char functionMap[] = "__llvm_merge";
 constexpr const char moduleInitFunc[] = "__mod_init_func";
 constexpr const char moduleTermFunc[] = "__mod_term_func";
 constexpr const char nonLazySymbolPtr[] = "__nl_symbol_ptr";