Fix unused variable/function warnings

llvm-svn: 231576
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
index 4791f87..56bcb8e 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
@@ -60,7 +60,7 @@
 
 uint64_t RuntimeDyldCOFF::getSymbolOffset(const SymbolRef &Sym) {
   uint64_t Address;
-  if (std::error_code EC = Sym.getAddress(Address))
+  if (Sym.getAddress(Address))
     return UnknownAddressOrSize;
 
   if (Address == UnknownAddressOrSize)
@@ -68,7 +68,7 @@
 
   const ObjectFile *Obj = Sym.getObject();
   section_iterator SecI(Obj->section_end());
-  if (std::error_code EC = Sym.getSection(SecI))
+  if (Sym.getSection(SecI))
     return UnknownAddressOrSize;
 
   if (SecI == Obj->section_end())