Index: test/wasm/undefined-entry.test
===================================================================
--- test/wasm/undefined-entry.test
+++ test/wasm/undefined-entry.test
@@ -2,3 +2,9 @@
 RUN: not lld -flavor wasm -o %t.wasm %t.ret32.o 2>&1 | FileCheck %s
 
 CHECK: error: undefined symbol: _start
+
+RUN: not lld -flavor wasm -entry=foo -o %t.wasm %t.ret32.o 2>&1 | FileCheck %s -check-prefix=CHECK-CUSTOM
+
+CHECK-CUSTOM: error: undefined symbol: foo
+
+RUN: lld -flavor wasm -entry=foo --allow-undefined -o %t.wasm %t.ret32.o
Index: wasm/Driver.cpp
===================================================================
--- wasm/Driver.cpp
+++ wasm/Driver.cpp
@@ -349,8 +349,6 @@
       Sym->setHidden(false);
   }
 
-  if (!Config->Entry.empty() && !Symtab->find(Config->Entry)->isDefined())
-    error("entry point not found: " + Config->Entry);
   if (errorCount())
     return;