Index: lld/trunk/ELF/Symbols.h
===================================================================
--- lld/trunk/ELF/Symbols.h
+++ lld/trunk/ELF/Symbols.h
@@ -473,6 +473,7 @@
   Sym->ExportDynamic = Old.ExportDynamic;
   Sym->CanInline = Old.CanInline;
   Sym->Traced = Old.Traced;
+  Sym->IsPreemptible = Old.IsPreemptible;
   Sym->ScriptDefined = Old.ScriptDefined;
 
   // Print out a log message if --trace-symbol was specified.
Index: lld/trunk/test/ELF/dynamic-list-preempt-replace-symbol.s
===================================================================
--- lld/trunk/test/ELF/dynamic-list-preempt-replace-symbol.s
+++ lld/trunk/test/ELF/dynamic-list-preempt-replace-symbol.s
@@ -0,0 +1,14 @@
+# REQUIRES: x86
+
+# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
+# RUN: echo '{ common; };' > %t.list
+# RUN: ld.lld --dynamic-list %t.list -shared %t.o -o %t.so
+
+# RUN: llvm-readobj -r %t.so | FileCheck %s
+
+# CHECK: R_X86_64_GLOB_DAT common 0x0
+
+movq common@gotpcrel(%rip), %rax
+
+.type common,@object
+.comm common,4,4