Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/debug.cc

Index: src/debug.cc
diff --git a/src/debug.cc b/src/debug.cc
index a0b9884410f289302d7d74be6e65bfb62ef1a413..a349502343ef532fb3cb40b4976a14e8c0c05a53 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -159,7 +159,6 @@ void BreakLocationIterator::Next() {
       Code* code = Code::GetCodeFromTargetAddress(target);
       if ((code->is_inline_cache_stub() &&
            !code->is_binary_op_stub() &&
-           !code->is_unary_op_stub() &&
            !code->is_compare_ic_stub() &&
            !code->is_to_boolean_ic_stub()) ||
           RelocInfo::IsConstructCall(rmode())) {