Revert "Optimize register mask and stack mask in stack maps."

This reverts commit ffaf87a429766ed80e6afee5bebea93db539620b.

Reason for revert: Breaks exception_test32 on target
for CMS and heap poisoning configs.

Change-Id: I127c17f693e28211a799f73a50e73105edee7e4c

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/optimizing/stack_map_test.cc b/compiler/optimizing/stack_map_test.cc
index c372bb9b22..9db7588b3a 100644
--- a/compiler/optimizing/stack_map_test.cc
+++ b/compiler/optimizing/stack_map_test.cc
@@ -32,10 +32,10 @@ static bool CheckStackMask(
     const StackMap& stack_map,
     const BitVector& bit_vector) {
   BitMemoryRegion stack_mask = code_info.GetStackMaskOf(stack_map);
-  if (bit_vector.GetNumberOfBits() > stack_mask.size_in_bits()) {
+  if (bit_vector.GetNumberOfBits() > code_info.GetNumberOfStackMaskBits()) {
     return false;
   }
-  for (size_t i = 0; i < stack_mask.size_in_bits(); ++i) {
+  for (size_t i = 0; i < code_info.GetNumberOfStackMaskBits(); ++i) {
     if (stack_mask.LoadBit(i) != bit_vector.IsBitSet(i)) {
       return false;
     }