src: replace push_back with emplace_back in debug_utils

This prevents potential temporary object constructions.

PR-URL: #36897
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: RaisinTen

src/debug_utils.cc

@@ -377,7 +377,7 @@ std::vector<std::string> NativeSymbolDebuggingContext::GetLoadedLibraries() {
       [](struct dl_phdr_info* info, size_t size, void* data) {
         auto list = static_cast<std::vector<std::string>*>(data);
         if (*info->dlpi_name != '\0') {
-          list->push_back(info->dlpi_name);
+          list->emplace_back(info->dlpi_name);
         }
         return 0;
       },
@@ -386,7 +386,7 @@ std::vector<std::string> NativeSymbolDebuggingContext::GetLoadedLibraries() {
   uint32_t i = 0;
   for (const char* name = _dyld_get_image_name(i); name != nullptr;
        name = _dyld_get_image_name(++i)) {
-    list.push_back(name);
+    list.emplace_back(name);
   }
 
 #elif _AIX
@@ -411,10 +411,10 @@ std::vector<std::string> NativeSymbolDebuggingContext::GetLoadedLibraries() {
           strlen(cur_info->ldinfo_filename) + 1;
       if (*member_name != '\0') {
         str << cur_info->ldinfo_filename << "(" << member_name << ")";
-        list.push_back(str.str());
+        list.emplace_back(str.str());
         str.str("");
       } else {
-        list.push_back(cur_info->ldinfo_filename);
+        list.emplace_back(cur_info->ldinfo_filename);
       }
       buf += cur_info->ldinfo_next;
     } while (cur_info->ldinfo_next != 0);
@@ -424,7 +424,7 @@ std::vector<std::string> NativeSymbolDebuggingContext::GetLoadedLibraries() {
 
   if (dlinfo(RTLD_SELF, RTLD_DI_LINKMAP, &p) != -1) {
     for (Link_map* l = p; l != nullptr; l = l->l_next) {
-      list.push_back(l->l_name);
+      list.emplace_back(l->l_name);
     }
   }
 
@@ -459,7 +459,7 @@ std::vector<std::string> NativeSymbolDebuggingContext::GetLoadedLibraries() {
           char* str = new char[size];
           WideCharToMultiByte(
               CP_UTF8, 0, module_name, -1, str, size, nullptr, nullptr);
-          list.push_back(str);
+          list.emplace_back(str);
         }
       }
     }