Allow deoptimization from states with spilled values.

runtime/vm/flow_graph_compiler_ia32.cc

Index: runtime/vm/flow_graph_compiler_ia32.cc
diff --git a/runtime/vm/flow_graph_compiler_ia32.cc b/runtime/vm/flow_graph_compiler_ia32.cc
index cc6e18e98a3cecb9e5eb6464c467f387842319e6..f428f74e0ae9fb2bb6044f5d94881b9d65325a38 100644
--- a/runtime/vm/flow_graph_compiler_ia32.cc
+++ b/runtime/vm/flow_graph_compiler_ia32.cc
@@ -54,9 +54,6 @@ void DeoptimizationStub::GenerateCode(FlowGraphCompiler* compiler) {
     for (intptr_t i = 0; i < values.length(); i++) {
       Location destination = Location::StackSlot(i - fixed_parameter_count);
       Location source = deoptimization_env_->LocationAt(i);
-      if (!source.IsRegister() && !source.IsInvalid()) {
-        compiler->Bailout("unsupported deoptimization state");
-      }
       if (source.IsInvalid()) {
         ASSERT(values[i]->IsConstant());
         source = Location::Constant(values[i]->AsConstant()->value());