---

yaml
---
r: 347769
b: refs/heads/master
c: da0ffcf
h: refs/heads/master
i:
  347767: 3707717

Author: swift-ci

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 2c88968f597d20fba1176c4fe491553d6823251d
+refs/heads/master: da0ffcf6214d2b1d03a0c7e03bebcc329ec9accc
 refs/heads/master-next: 203b3026584ecad859eb328b2e12490099409cd5
 refs/tags/osx-passed: b6b74147ef8a386f532cf9357a1bde006e552c54
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-a: 6bb18e013c2284f2b45f5f84f2df2887dc0f7dea

trunk/lib/SIL/SILVerifier.cpp

@@ -494,8 +494,10 @@ struct ImmutableAddressUseVerifier {
     while (!worklist.empty()) {
       auto *use = worklist.pop_back_val();
       auto *inst = use->getUser();
+
       if (inst->isTypeDependentOperand(*use))
         continue;
+
       switch (inst->getKind()) {
       case SILInstructionKind::MarkDependenceInst:
       case SILInstructionKind::LoadBorrowInst:
@@ -585,7 +587,8 @@ struct ImmutableAddressUseVerifier {
         }
         break;
       default:
-        llvm_unreachable("Unhandled unexpected instruction");
+        llvm::errs() << "Unhandled, unexpected instruction: " << *inst;
+        llvm_unreachable("invoking standard assertion failure");
         break;
       }
     }