diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1883,7 +1883,9 @@
     case bitc::TYPE_CODE_OPAQUE_POINTER: { // OPAQUE_POINTER: [addrspace]
       if (Record.size() != 1)
         return error("Invalid opaque pointer record");
-      if (Context.supportsTypedPointers())
+      if (LLVM_UNLIKELY(!Context.hasSetOpaquePointersValue())) {
+        Context.enableOpaquePointers();
+      } else if (Context.supportsTypedPointers())
         return error(
             "Opaque pointers are only supported in -opaque-pointers mode");
       unsigned AddressSpace = Record[0];
diff --git a/llvm/test/Other/force-opaque-ptrs.ll b/llvm/test/Other/force-opaque-ptrs.ll
--- a/llvm/test/Other/force-opaque-ptrs.ll
+++ b/llvm/test/Other/force-opaque-ptrs.ll
@@ -1,6 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
 ; RUN: llvm-as --opaque-pointers < %s | llvm-dis --opaque-pointers | FileCheck %s
 ; RUN: llvm-as < %s | llvm-dis --opaque-pointers | FileCheck %s
+; RUN: llvm-as --opaque-pointers < %s | llvm-dis | FileCheck %s
 ; RUN: opt --opaque-pointers < %s -S | FileCheck %s
 ; RUN: verify-uselistorder --opaque-pointers < %s