2 files changed, 4 insertions, 0 deletions
diff --git a/compiler/elf_builder.h b/compiler/elf_builder.h
index 9ab3602606..124ed03c21 100644
--- a/compiler/elf_builder.h
+++ b/compiler/elf_builder.h
@@ -40,6 +40,7 @@ class ElfSectionBuilder : public ValueObject {
     section_.sh_addralign = align;
     section_.sh_entsize = entsize;
   }
+  ElfSectionBuilder(const ElfSectionBuilder&) = default;
 
   ~ElfSectionBuilder() {}
 
@@ -144,6 +145,7 @@ class ElfRawSectionBuilder FINAL : public ElfSectionBuilder<Elf_Word, Elf_Sword,
     : ElfSectionBuilder<Elf_Word, Elf_Sword, Elf_Shdr>(sec_name, type, flags, link, info, align,
                                                        entsize) {
   }
+  ElfRawSectionBuilder(const ElfRawSectionBuilder&) = default;
 
   ~ElfRawSectionBuilder() {}
 
diff --git a/compiler/utils/array_ref.h b/compiler/utils/array_ref.h
index b1b0ee5e53..ff5a77c97a 100644
--- a/compiler/utils/array_ref.h
+++ b/compiler/utils/array_ref.h
@@ -89,6 +89,8 @@ class ArrayRef {
       : array_(v.data()), size_(v.size()) {
   }
 
+  ArrayRef(const ArrayRef&) = default;
+
   // Assignment operators.
 
   ArrayRef& operator=(const ArrayRef& other) {