diff --git a/compiler/optimizing/instruction_builder.cc b/compiler/optimizing/instruction_builder.cc
index a3630af..d264bee 100644
--- a/compiler/optimizing/instruction_builder.cc
+++ b/compiler/optimizing/instruction_builder.cc
@@ -452,6 +452,10 @@
 void HInstructionBuilder::BuildIntrinsic(ArtMethod* method) {
   DCHECK(!code_item_accessor_.HasCodeItem());
   DCHECK(method->IsIntrinsic());
+  if (kIsDebugBuild) {
+    ScopedObjectAccess soa(Thread::Current());
+    CHECK(!method->IsSignaturePolymorphic());
+  }
 
   locals_for_.resize(
       graph_->GetBlocks().size(),