Index: lld/ELF/Writer.cpp
===================================================================
--- lld/ELF/Writer.cpp
+++ lld/ELF/Writer.cpp
@@ -210,7 +210,7 @@
                                    uint64_t val, uint8_t stOther = STV_HIDDEN,
                                    uint8_t binding = STB_GLOBAL) {
   Symbol *s = symtab->find(name);
-  if (!s || s->isDefined())
+  if (!s || s->isDefined() || !s->isUsedInRegularObj)
     return nullptr;
 
   s->resolve(Defined{/*file=*/nullptr, name, binding, stOther, STT_NOTYPE, val,
Index: lld/test/ELF/Inputs/nodef-reserved-in-dep.s
===================================================================
--- /dev/null
+++ lld/test/ELF/Inputs/nodef-reserved-in-dep.s
@@ -0,0 +1,2 @@
+.globl _edata
+ _edata = 0x123
Index: lld/test/ELF/nodef-reserved-in-dep.s
===================================================================
--- /dev/null
+++ lld/test/ELF/nodef-reserved-in-dep.s
@@ -0,0 +1,14 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/nodef-reserved-in-dep.s -o %t.o
+# RUN: ld.lld %t.o -o %t.so -shared -soname=so
+
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t2.o
+# RUN: ld.lld -o %t %t2.o %t.so
+# RUN: llvm-readobj --symbols -S %t | FileCheck %s
+
+## _edata should not appear anywhere in the binary.
+# CHECK-NOT: _edata
+
+.global _start
+_start:
+  xor %eax, %eax