diff --git a/lld/ELF/Symbols.cpp b/lld/ELF/Symbols.cpp
--- a/lld/ELF/Symbols.cpp
+++ b/lld/ELF/Symbols.cpp
@@ -277,7 +277,7 @@
   if (config->relocatable)
     return binding;
   if ((visibility != STV_DEFAULT && visibility != STV_PROTECTED) ||
-      (versionId == VER_NDX_LOCAL && isDefined()))
+      (versionId == VER_NDX_LOCAL && !isLazy()))
     return STB_LOCAL;
   if (!config->gnuUnique && binding == STB_GNU_UNIQUE)
     return STB_GLOBAL;
diff --git a/lld/test/ELF/lto/Inputs/devirt_extern_vtable.ll b/lld/test/ELF/lto/Inputs/devirt_extern_vtable.ll
new file mode 100644
--- /dev/null
+++ b/lld/test/ELF/lto/Inputs/devirt_extern_vtable.ll
@@ -0,0 +1,81 @@
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+%struct.Cat = type { %struct.Animal }
+%struct.Animal = type { i32 (...)** }
+
+$_ZN3CatC2Ev = comdat any
+
+$_ZN6AnimalC2Ev = comdat any
+
+$_ZTV6Animal = comdat any
+
+$_ZTS6Animal = comdat any
+
+$_ZTI6Animal = comdat any
+
+@_ZTV3Cat = external dso_local unnamed_addr constant { [3 x i8*] }, align 8
+@_ZTV6Animal = linkonce_odr dso_local unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI6Animal to i8*), i8* bitcast (void ()* @__cxa_pure_virtual to i8*)] }, comdat, align 8, !type !0, !type !1
+@_ZTVN10__cxxabiv117__class_type_infoE = external dso_local global i8*
+@_ZTS6Animal = linkonce_odr dso_local constant [8 x i8] c"6Animal\00", comdat, align 1
+@_ZTI6Animal = linkonce_odr dso_local constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @_ZTS6Animal, i32 0, i32 0) }, comdat, align 8
+
+; Function Attrs: noinline optnone uwtable mustprogress
+define dso_local void @_Z17useDoThingWithCatv() #0 {
+entry:
+  %d = alloca %struct.Cat*, align 8
+  %call = call noalias nonnull i8* @_Znwm(i64 8) #4
+  %0 = bitcast i8* %call to %struct.Cat*
+  call void @_ZN3CatC2Ev(%struct.Cat* nonnull dereferenceable(8) %0) #5
+  store %struct.Cat* %0, %struct.Cat** %d, align 8
+  %1 = load %struct.Cat*, %struct.Cat** %d, align 8
+  %2 = bitcast %struct.Cat* %1 to %struct.Animal*
+  call void @_Z14doThingWithCatP6Animal(%struct.Animal* %2)
+  ret void
+}
+
+; Function Attrs: nobuiltin allocsize(0)
+declare dso_local nonnull i8* @_Znwm(i64) #1
+
+; Function Attrs: noinline nounwind optnone uwtable
+define linkonce_odr dso_local void @_ZN3CatC2Ev(%struct.Cat* nonnull dereferenceable(8) %this) unnamed_addr #2 comdat align 2 {
+entry:
+  %this.addr = alloca %struct.Cat*, align 8
+  store %struct.Cat* %this, %struct.Cat** %this.addr, align 8
+  %this1 = load %struct.Cat*, %struct.Cat** %this.addr, align 8
+  %0 = bitcast %struct.Cat* %this1 to %struct.Animal*
+  call void @_ZN6AnimalC2Ev(%struct.Animal* nonnull dereferenceable(8) %0) #5
+  %1 = bitcast %struct.Cat* %this1 to i32 (...)***
+  store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV3Cat, i32 0, inrange i32 0, i32 2) to i32 (...)**), i32 (...)*** %1, align 8
+  ret void
+}
+
+declare dso_local void @_Z14doThingWithCatP6Animal(%struct.Animal*) #3
+
+; Function Attrs: noinline nounwind optnone uwtable
+define linkonce_odr dso_local void @_ZN6AnimalC2Ev(%struct.Animal* nonnull dereferenceable(8) %this) unnamed_addr #2 comdat align 2 {
+entry:
+  %this.addr = alloca %struct.Animal*, align 8
+  store %struct.Animal* %this, %struct.Animal** %this.addr, align 8
+  %this1 = load %struct.Animal*, %struct.Animal** %this.addr, align 8
+  %0 = bitcast %struct.Animal* %this1 to i32 (...)***
+  store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV6Animal, i32 0, inrange i32 0, i32 2) to i32 (...)**), i32 (...)*** %0, align 8
+  ret void
+}
+
+declare dso_local void @__cxa_pure_virtual() unnamed_addr
+
+attributes #0 = { noinline optnone uwtable mustprogress "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
+attributes #1 = { nobuiltin allocsize(0) "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
+attributes #2 = { noinline nounwind optnone uwtable "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
+attributes #3 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
+attributes #4 = { builtin allocsize(0) }
+attributes #5 = { nounwind }
+
+!llvm.linker.options = !{}
+!llvm.module.flags = !{!2, !3}
+
+!0 = !{i64 16, !"_ZTS6Animal"}
+!1 = !{i64 16, !"_ZTSM6AnimalKFvvE.virtual"}
+!2 = !{i32 1, !"wchar_size", i32 4}
+!3 = !{i32 1, !"Virtual Function Elim", i32 0}
diff --git a/lld/test/ELF/lto/devirt_extern_vtable.ll b/lld/test/ELF/lto/devirt_extern_vtable.ll
new file mode 100644
--- /dev/null
+++ b/lld/test/ELF/lto/devirt_extern_vtable.ll
@@ -0,0 +1,96 @@
+; REQUIRES: x86
+;; Test that that a vtable defined locally in one module but external in another
+;; does not prevent devirtualization.
+
+;; Hybrid WPD
+; RUN: opt --thinlto-bc --thinlto-split-lto-unit -o %t1.o %s
+; RUN: opt --thinlto-bc --thinlto-split-lto-unit %S/Inputs/devirt_extern_vtable.ll -o %t2.o
+; RUN: echo '{ global: _Z17useDoThingWithCatv; local: *; };' > %t.ver
+
+; RUN: ld.lld %t1.o %t2.o -shared -o %t3 -save-temps --lto-whole-program-visibility \
+; RUN:   -mllvm -pass-remarks=. --version-script %t.ver 2>&1 \
+; RUN:   | FileCheck %s --check-prefix=REMARK
+
+; REMARK-DAG: <unknown>:0:0: devirtualized _ZNK3Cat9makeNoiseEv
+; REMARK-DAG: <unknown>:0:0: single-impl: devirtualized a call to _ZNK3Cat9makeNoiseEv
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+%struct.Cat = type { %struct.Animal }
+%struct.Animal = type { i32 (...)** }
+
+$_ZTS6Animal = comdat any
+
+$_ZTI6Animal = comdat any
+
+@.str = private unnamed_addr constant [5 x i8] c"Meow\00", align 1
+@_ZTV3Cat = dso_local unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8*, i8* }* @_ZTI3Cat to i8*), i8* bitcast (void (%struct.Cat*)* @_ZNK3Cat9makeNoiseEv to i8*)] }, align 8, !type !0, !type !1, !type !2, !type !3
+@_ZTVN10__cxxabiv120__si_class_type_infoE = external dso_local global i8*
+@_ZTS3Cat = dso_local constant [5 x i8] c"3Cat\00", align 1
+@_ZTVN10__cxxabiv117__class_type_infoE = external dso_local global i8*
+@_ZTS6Animal = linkonce_odr dso_local constant [8 x i8] c"6Animal\00", comdat, align 1
+@_ZTI6Animal = linkonce_odr dso_local constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @_ZTS6Animal, i32 0, i32 0) }, comdat, align 8
+@_ZTI3Cat = dso_local constant { i8*, i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv120__si_class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @_ZTS3Cat, i32 0, i32 0), i8* bitcast ({ i8*, i8* }* @_ZTI6Animal to i8*) }, align 8
+
+; Function Attrs: noinline optnone uwtable mustprogress
+define dso_local void @_ZNK3Cat9makeNoiseEv(%struct.Cat* nonnull dereferenceable(8) %this) unnamed_addr #0 align 2 {
+entry:
+  %this.addr = alloca %struct.Cat*, align 8
+  store %struct.Cat* %this, %struct.Cat** %this.addr, align 8
+  %this1 = load %struct.Cat*, %struct.Cat** %this.addr, align 8
+  %call = call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
+  ret void
+}
+
+declare dso_local i32 @puts(i8*) #1
+
+; Function Attrs: noinline optnone uwtable mustprogress
+define dso_local void @_Z14doThingWithCatP6Animal(%struct.Animal* %a) #0 {
+entry:
+  %a.addr = alloca %struct.Animal*, align 8
+  %d = alloca %struct.Cat*, align 8
+  store %struct.Animal* %a, %struct.Animal** %a.addr, align 8
+  %0 = load %struct.Animal*, %struct.Animal** %a.addr, align 8
+  %1 = bitcast %struct.Animal* %0 to %struct.Cat*
+  store %struct.Cat* %1, %struct.Cat** %d, align 8
+  %2 = load %struct.Cat*, %struct.Cat** %d, align 8
+  %tobool = icmp ne %struct.Cat* %2, null
+  br i1 %tobool, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry
+  %3 = load %struct.Cat*, %struct.Cat** %d, align 8
+  %4 = bitcast %struct.Cat* %3 to void (%struct.Cat*)***
+  %vtable = load void (%struct.Cat*)**, void (%struct.Cat*)*** %4, align 8
+  %5 = bitcast void (%struct.Cat*)** %vtable to i8*
+  %6 = call i1 @llvm.type.test(i8* %5, metadata !"_ZTS3Cat")
+  call void @llvm.assume(i1 %6)
+  %vfn = getelementptr inbounds void (%struct.Cat*)*, void (%struct.Cat*)** %vtable, i64 0
+  %7 = load void (%struct.Cat*)*, void (%struct.Cat*)** %vfn, align 8
+  call void %7(%struct.Cat* nonnull dereferenceable(8) %3)
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+; Function Attrs: nofree nosync nounwind readnone willreturn
+declare i1 @llvm.type.test(i8*, metadata) #2
+
+; Function Attrs: nofree nosync nounwind willreturn
+declare void @llvm.assume(i1 noundef) #3
+
+attributes #0 = { noinline optnone uwtable mustprogress "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
+attributes #1 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
+attributes #2 = { nofree nosync nounwind readnone willreturn }
+attributes #3 = { nofree nosync nounwind willreturn }
+
+!llvm.linker.options = !{}
+!llvm.module.flags = !{!4, !5}
+
+!0 = !{i64 16, !"_ZTS3Cat"}
+!1 = !{i64 16, !"_ZTSM3CatKFvvE.virtual"}
+!2 = !{i64 16, !"_ZTS6Animal"}
+!3 = !{i64 16, !"_ZTSM6AnimalKFvvE.virtual"}
+!4 = !{i32 1, !"wchar_size", i32 4}
+!5 = !{i32 1, !"Virtual Function Elim", i32 0}