[ELF][MIPS] Delete dead !Sym->isDefined() check in addAbsolute()

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@362314 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/ELF/Writer.cpp b/ELF/Writer.cpp
index 975fddf..bc3abf7 100644
--- a/ELF/Writer.cpp
+++ b/ELF/Writer.cpp
@@ -188,8 +188,6 @@
 static Defined *addAbsolute(StringRef Name) {
   Symbol *Sym = Symtab->addSymbol(Defined{nullptr, Name, STB_GLOBAL, STV_HIDDEN,
                                           STT_NOTYPE, 0, 0, nullptr});
-  if (!Sym->isDefined())
-    error("duplicate symbol: " + toString(*Sym));
   return cast<Defined>(Sym);
 }