VM: Make optimized try-catch work in DBC.

runtime/vm/intermediate_language_dbc.cc

Index: runtime/vm/intermediate_language_dbc.cc
diff --git a/runtime/vm/intermediate_language_dbc.cc b/runtime/vm/intermediate_language_dbc.cc
index aca13bdda4f4d677e5fae7d59cca94a1699c7b3f..c5107bb701fd98bf067b398c2badfc89d0a164b7 100644
--- a/runtime/vm/intermediate_language_dbc.cc
+++ b/runtime/vm/intermediate_language_dbc.cc
@@ -1119,6 +1119,11 @@ EMIT_NATIVE_CODE(CatchBlockEntry, 0) {
                                 compiler->assembler()->CodeSize(),
                                 catch_handler_types_,
                                 needs_stacktrace());
+
+  if (HasParallelMove()) {
+    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
+  }
+
   __ MoveSpecial(-exception_var().index()-1,
                  Simulator::kExceptionSpecialIndex);
   __ MoveSpecial(-stacktrace_var().index()-1,