[turbofan] Make the inlining heuristic deterministic.

Don't sort inline candidates by comparing Node pointers, where the order
depends on the allocation order and the concrete Zone memory layout at
runtime. Instead sort based on NodeId, which is deterministic.

R=mvstanton@chromium.org
BUG=v8:5267

Review-Url: https://codereview.chromium.org/2336113002
Cr-Commit-Position: refs/heads/master@{#39371}

src/compiler/js-inlining-heuristic.cc

@@ -285,7 +285,7 @@ bool JSInliningHeuristic::CandidateCompare::operator()(
   if (left.calls != right.calls) {
     return left.calls > right.calls;
   }
-  return left.node < right.node;
+  return left.node->id() > right.node->id();
 }
 
 void JSInliningHeuristic::PrintCandidates() {