Index: ELF/SyntheticSections.h
===================================================================
--- ELF/SyntheticSections.h
+++ ELF/SyntheticSections.h
@@ -974,6 +974,7 @@
 
 // Linker generated sections which can be used as inputs.
 struct InX {
+  static uint8_t First;
   static InputSection *ARMAttributes;
   static BssSection *Bss;
   static BssSection *BssRelRo;
@@ -1005,11 +1006,13 @@
 };
 
 template <class ELFT> struct In {
+  static uint8_t First;
   static VersionDefinitionSection<ELFT> *VerDef;
   static VersionTableSection<ELFT> *VerSym;
   static VersionNeedSection<ELFT> *VerNeed;
 };
 
+template <class ELFT> uint8_t In<ELFT>::First;
 template <class ELFT> VersionDefinitionSection<ELFT> *In<ELFT>::VerDef;
 template <class ELFT> VersionTableSection<ELFT> *In<ELFT>::VerSym;
 template <class ELFT> VersionNeedSection<ELFT> *In<ELFT>::VerNeed;
Index: ELF/SyntheticSections.cpp
===================================================================
--- ELF/SyntheticSections.cpp
+++ ELF/SyntheticSections.cpp
@@ -3041,6 +3041,7 @@
   return Changed;
 }
 
+uint8_t InX::First;
 InputSection *InX::ARMAttributes;
 BssSection *InX::Bss;
 BssSection *InX::BssRelRo;
Index: ELF/Writer.cpp
===================================================================
--- ELF/Writer.cpp
+++ ELF/Writer.cpp
@@ -260,6 +260,8 @@
   // Initialize all pointers with NULL. This is needed because
   // you can call lld::elf::main more than once as a library.
   memset(&Out::First, 0, sizeof(Out));
+  memset(&InX::First, 0, sizeof(InX));
+  memset(&In<ELFT>::First, 0, sizeof(In<ELFT>));
 
   auto Add = [](InputSectionBase *Sec) { InputSections.push_back(Sec); };