ELF: Remove field for .interp in InStruct. NFC.

This field is unreferenced outside of createSyntheticSections.

Differential Revision: https://reviews.llvm.org/D58422

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@354428 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/ELF/SyntheticSections.h b/ELF/SyntheticSections.h
index 90e1e12..5b6bdbb 100644
--- a/ELF/SyntheticSections.h
+++ b/ELF/SyntheticSections.h
@@ -1007,7 +1007,6 @@
   SymbolTableBaseSection *DynSymTab;
   GnuHashTableSection *GnuHashTab;
   HashTableSection *HashTab;
-  InputSection *Interp;
   GdbIndexSection *GdbIndex;
   GotSection *Got;
   GotPltSection *GotPlt;
diff --git a/ELF/Writer.cpp b/ELF/Writer.cpp
index c48c4bf..6ed640e 100644
--- a/ELF/Writer.cpp
+++ b/ELF/Writer.cpp
@@ -288,10 +288,8 @@
   Out::ProgramHeaders = make<OutputSection>("", 0, SHF_ALLOC);
   Out::ProgramHeaders->Alignment = Config->Wordsize;
 
-  if (needsInterpSection()) {
-    In.Interp = createInterpSection();
-    Add(In.Interp);
-  }
+  if (needsInterpSection())
+    Add(createInterpSection());
 
   if (Config->Strip != StripPolicy::All) {
     In.StrTab = make<StringTableSection>(".strtab", false);