diff --git a/input_files.cc b/input_files.cc
index cfe6f9cf..c2f265d0 100644
--- a/input_files.cc
+++ b/input_files.cc
@@ -6,6 +6,7 @@ using namespace llvm::ELF;
 std::atomic_int num_defined;
 std::atomic_int num_undefined;
 std::atomic_int num_files;
+std::atomic_int num_string_pieces;
 
 ObjectFile::ObjectFile(MemoryBufferRef mb, StringRef archive_name)
   : mb(mb), archive_name(archive_name),
@@ -73,8 +74,8 @@ void ObjectFile::initialize_sections() {
     case SHT_NULL:
       break;
     default: {
-      if ((shdr.sh_flags & SHF_STRINGS) && (shdr.sh_flags & SHF_ALLOC) &&
-          !(shdr.sh_flags & SHF_WRITE) && shdr.sh_entsize == 1) {
+      if ((shdr.sh_flags & SHF_STRINGS) && !(shdr.sh_flags & SHF_WRITE) &&
+          shdr.sh_entsize == 1) {
         read_string_pieces(shdr);
         break;
       }
@@ -118,7 +119,11 @@ void ObjectFile::initialize_symbols() {
 }
 
 void ObjectFile::read_string_pieces(const ELF64LE::Shdr &shdr) {
-  static ConcurrentMap<StringPiece> map;
+  static ConcurrentMap<StringPiece> map1;
+  static ConcurrentMap<StringPiece> map2;
+
+  bool is_alloc = shdr.sh_type & SHF_ALLOC;
+  ConcurrentMap<StringPiece> &map = is_alloc ? map1 : map2;
 
   ArrayRef<uint8_t> arr = CHECK(obj.getSectionContents(shdr), this);
   StringRef data((const char *)&arr[0], arr.size());
@@ -130,8 +135,14 @@ void ObjectFile::read_string_pieces(const ELF64LE::Shdr &shdr) {
 
     StringRef substr = data.substr(0, end + 1);
     StringPiece *piece = map.insert(substr, StringPiece(substr));
-    merged_strings.push_back(piece);
+
+    if (is_alloc)
+      merged_strings_alloc.push_back(piece);
+    else
+      merged_strings_noalloc.push_back(piece);
+
     data = data.substr(end + 1);
+    num_string_pieces++;
   }
 }
 
diff --git a/main.cc b/main.cc
index bbec85a7..09017eae 100644
--- a/main.cc
+++ b/main.cc
@@ -314,7 +314,8 @@ int main(int argc, char **argv) {
                << "     filesize=" << filesize << "\n"
                << "  num_defined=" << num_defined << "\n"
                << "num_undefined=" << num_undefined << "\n"
-               << "   num_relocs=" << num_relocs << "\n";
+               << "   num_relocs=" << num_relocs << "\n"
+               << "      num_str=" << num_string_pieces << "\n";
 
   llvm::TimerGroup::printAll(llvm::outs());
   llvm::outs().flush();
diff --git a/mold.h b/mold.h
index 854c36cd..5746c184 100644
--- a/mold.h
+++ b/mold.h
@@ -382,7 +382,8 @@ private:
   MemoryBufferRef mb;
   std::vector<Symbol *> symbols;
   std::vector<std::pair<bool *, ArrayRef<ELF64LE::Word>>> comdat_groups;
-  std::vector<StringPiece *> merged_strings;
+  std::vector<StringPiece *> merged_strings_alloc;
+  std::vector<StringPiece *> merged_strings_noalloc;
 
   ArrayRef<ELF64LE::Shdr> elf_sections;
   ArrayRef<ELF64LE::Sym> elf_syms;
@@ -422,3 +423,4 @@ extern std::atomic_int num_defined;
 extern std::atomic_int num_undefined;
 extern std::atomic_int num_files;
 extern std::atomic_int num_relocs;
+extern std::atomic_int num_string_pieces;