Put live register bits in stackmaps.

runtime/vm/flow_graph_compiler_ia32.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 778 matching lines @@
     // EBP : points to previous frame pointer.
     // EBP + 4 : points to return address.
     // EBP + 8 : address of last argument (arg n-1).
     // ESP + 8 + 4*(n-1) : address of first argument (arg 0).
     // ECX : ic-data.
     // EDX : arguments descriptor array.
     __ call(&StubCode::CallNoSuchMethodFunctionLabel());
   }
   if (is_optimizing()) {
     stackmap_table_builder_->AddEntry(assembler()->CodeSize(),
-                                      empty_stack_bitmap);
+                                      empty_stack_bitmap,
+                                      0);  // No registers.
   }
 
 
   if (FLAG_trace_functions) {
     __ pushl(EAX);  // Preserve result.
     __ PushObject(Function::ZoneHandle(function.raw()));
     // We do not use GenerateCallRuntime because of the non-standard (empty)
     // stackmap used here.
     __ CallRuntime(kTraceFunctionExitRuntimeEntry);
     AddCurrentDescriptor(PcDescriptors::kOther,
                          Isolate::kNoDeoptId,
                          0,  // No token position.
                          CatchClauseNode::kInvalidTryIndex);
     if (is_optimizing()) {
       stackmap_table_builder_->AddEntry(assembler()->CodeSize(),
-                                        empty_stack_bitmap);
+                                        empty_stack_bitmap,
+                                        0);  // No registers.
     }
     __ popl(EAX);  // Remove argument.
     __ popl(EAX);  // Restore result.
   }
   __ LeaveFrame();
   __ ret();
 
   __ Bind(&all_arguments_processed);
   // Nullify originally passed arguments only after they have been copied and
   // checked, otherwise noSuchMethod would not see their original values.
@@ skipping 484 matching lines @@
   __ popl(ECX);
   __ popl(EAX);
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32