[ignition/turbofan] Wrap bytecode liveness bitvectors

test/unittests/compiler/bytecode-analysis-unittest.cc

Index: test/unittests/compiler/bytecode-analysis-unittest.cc
diff --git a/test/unittests/compiler/bytecode-analysis-unittest.cc b/test/unittests/compiler/bytecode-analysis-unittest.cc
index 1d925b6fc45af9c23683228e96fe0d14d637ef52..bc582ae207157feabbaabba53b887078ff166f60 100644
--- a/test/unittests/compiler/bytecode-analysis-unittest.cc
+++ b/test/unittests/compiler/bytecode-analysis-unittest.cc
@@ -37,11 +37,13 @@ class BytecodeAnalysisTest : public TestWithIsolateAndZone {
     i::FLAG_ignition_reo = old_FLAG_ignition_reo_;
   }
 
-  std::string ToLivenessString(const BitVector* liveness) const {
+  std::string ToLivenessString(const BytecodeLivenessState* liveness) const {
+    const BitVector& bit_vector = liveness->bit_vector();
+
     std::string out;
-    out.resize(liveness->length());
-    for (int i = 0; i < liveness->length(); ++i) {
-      if (liveness->Contains(i)) {
+    out.resize(bit_vector.length());
+    for (int i = 0; i < bit_vector.length(); ++i) {
+      if (bit_vector.Contains(i)) {
         out[i] = 'L';
       } else {
         out[i] = '.';