[interpreter] Merge {OsrPoll} with {Jump} bytecode.

src/interpreter/control-flow-builders.cc

Index: src/interpreter/control-flow-builders.cc
diff --git a/src/interpreter/control-flow-builders.cc b/src/interpreter/control-flow-builders.cc
index 56cd481f9cdd50c36e3cc2045a4aaa78ecf309e1..0e71b96cce7b09e1b4b4a6ac663637ddca3a1364 100644
--- a/src/interpreter/control-flow-builders.cc
+++ b/src/interpreter/control-flow-builders.cc
@@ -60,18 +60,14 @@ void LoopBuilder::LoopHeader(ZoneVector<BytecodeLabel>* additional_labels) {
   }
 }
 
-void LoopBuilder::JumpToHeader() {
+void LoopBuilder::JumpToHeader(int loop_depth) {
+  // Pass the proper loop nesting level to the backwards branch, to trigger
+  // on-stack replacement when armed for the given loop nesting depth.
+  int level = Min(loop_depth, AbstractCode::kMaxLoopNestingMarker - 1);
   // Loop must have closed form, i.e. all loop elements are within the loop,
   // the loop header precedes the body and next elements in the loop.
   DCHECK(loop_header_.is_bound());
-  builder()->Jump(&loop_header_);
-}
-
-void LoopBuilder::JumpToHeaderIfTrue() {
-  // Loop must have closed form, i.e. all loop elements are within the loop,
-  // the loop header precedes the body and next elements in the loop.
-  DCHECK(loop_header_.is_bound());
-  builder()->JumpIfTrue(&loop_header_);
+  builder()->JumpLoop(&loop_header_, level);
 }
 
 void LoopBuilder::EndLoop() {