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/personality-dead-strip.s
===================================================================
--- /dev/null
+++ lld/test/MachO/personality-dead-strip.s
@@ -0,0 +1,20 @@
+# RUN: rm -rf %t
+# RUN: mkdir %t
+# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 %s -o %t/test.o
+## Check that this doesn't crash.
+# RUN: %lld -lSystem -o %t/test %t/test.o -dead_strip
+
+.text
+_my_personality:
+  mov $1345, %rax
+
+_has_unwind_1:
+  .cfi_startproc
+  .cfi_personality 155, _my_personality
+  .cfi_def_cfa_offset 16
+  ret
+  .cfi_endproc
+
+.globl _main
+_main:
+  callq _has_unwind_1