Index: lld/MachO/UnwindInfoSection.cpp
===================================================================
--- lld/MachO/UnwindInfoSection.cpp
+++ lld/MachO/UnwindInfoSection.cpp
@@ -309,6 +309,7 @@
                           /*includeInSymtab=*/true,
                           /*isThumb=*/false, /*isReferencedDynamically=*/false,
                           /*noDeadStrip=*/false);
+        s->used = true;
         in.got->addEntry(s);
       }
       r.referent = s;
Index: lld/test/MachO/weak-definition-gc.s
===================================================================
--- lld/test/MachO/weak-definition-gc.s
+++ lld/test/MachO/weak-definition-gc.s
@@ -66,14 +66,18 @@
 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/weak-aligned-1.s -o %t/weak-aligned-1.o
 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/weak-aligned-2.s -o %t/weak-aligned-2.o
 # RUN: %lld -o %t/out -lSystem %t/weak-aligned-1.o %t/weak-aligned-2.o
-# RUN: llvm-objdump --syms --section=__const --full-contents %t/out | FileCheck --check-prefix=ALIGN %s
+# RUN: llvm-objdump --syms --section=__const --full-contents %t/out | FileCheck --check-prefixes=ALIGN,ALIGN2 %s
+# RUN: %lld -o %t/out -lSystem %t/weak-aligned-1.o %t/weak-aligned-2.o -dead_strip
+# RUN: llvm-objdump --syms --section=__const --full-contents %t/out | FileCheck --check-prefixes=ALIGN,ALIGN3 %s
 # ALIGN:      SYMBOL TABLE:
 # ALIGN-DAG:  [[#%x, ADDR:]]       l     O __DATA_CONST,__const _weak1
-# ALIGN-DAG:  {{0*}}[[#ADDR+ 0x4]] l     O __DATA_CONST,__const _weak3
-# ALIGN-DAG:  {{0*}}[[#ADDR+ 0x8]] l     O __DATA_CONST,__const _weak2
+# ALIGN2-DAG: {{0*}}[[#ADDR+ 0x4]] l     O __DATA_CONST,__const _weak3
+# ALIGN3-DAG: {{0*}}[[#ADDR+ 0x4]] l     O __DATA_CONST,__const _weak2
+# ALIGN2-DAG:  {{0*}}[[#ADDR+ 0x8]] l     O __DATA_CONST,__const _weak2
 # ALIGN-DAG:  {{0*}}[[#ADDR+0x10]] g     O __DATA_CONST,__const _aligned
 # ALIGN:      Contents of section __DATA_CONST,__const:
-# ALIGN-NEXT: {{0*}}[[#ADDR]]      11111111 33333333 22222222 00000000
+# ALIGN2-NEXT: {{0*}}[[#ADDR]]      11111111 33333333 22222222 00000000
+# ALIGN3-NEXT: {{0*}}[[#ADDR]]      11111111 22222222 00000000 00000000
 # ALIGN-NEXT: {{0*}}[[#ADDR+0x10]] 81818181 81818181 82828282 82828282
 
 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/weak-def.s -o %t/weak-def.o