revert r25736

src/compiler/register-allocator-verifier.cc

Index: src/compiler/register-allocator-verifier.cc
diff --git a/src/compiler/register-allocator-verifier.cc b/src/compiler/register-allocator-verifier.cc
index dabfd59ef61d4d0c0e1a60500acbd0e9a54ef12e..ac29fc8328d11602236c8ab2f5c8ab685489ed1e 100644
--- a/src/compiler/register-allocator-verifier.cc
+++ b/src/compiler/register-allocator-verifier.cc
@@ -276,8 +276,10 @@ class RegisterAllocatorVerifier::OutgoingMapping : public ZoneObject {
     auto* moves = move->move_operands();
     for (auto i = moves->begin(); i != moves->end(); ++i) {
       if (i->IsEliminated()) continue;
+      CHECK(i->source()->kind() != InstructionOperand::INVALID);
       auto cur = locations()->find(i->source());
       CHECK(cur != locations()->end());
+      if (i->destination()->kind() == InstructionOperand::INVALID) continue;
       to_insert.insert(std::make_pair(i->destination(), cur->second));
     }
     // Drop current mappings.