Fix implementation of bit count functions.

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index e892f805efa8f8d0000069c98c63e48faf256f99..b22fafdf8659b693c76a318dfe3988e1b8bfae18 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -5,6 +5,7 @@
 #include "src/v8.h"
 
 #include "src/ast.h"
+#include "src/base/bits.h"
 #include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/full-codegen.h"
@@ -1579,7 +1580,7 @@ int StackHandler::Rewind(Isolate* isolate,
 // -------------------------------------------------------------------------
 
 int NumRegs(RegList reglist) {
-  return CompilerIntrinsics::CountSetBits(reglist);
+  return base::bits::CountSetBits32(reglist);
 }