| Index: src/compiler/bytecode-analysis.cc | 
| diff --git a/src/compiler/bytecode-analysis.cc b/src/compiler/bytecode-analysis.cc | 
| index e1d425b8d8dfd04e49ed38bbfcbc344bcf897b8f..8d077abc9f519eb0090726be60b9705e73f484e2 100644 | 
| --- a/src/compiler/bytecode-analysis.cc | 
| +++ b/src/compiler/bytecode-analysis.cc | 
| @@ -161,7 +161,10 @@ void BytecodeAnalysis::Analyze() { | 
| int current_offset = iterator.current_offset(); | 
|  | 
| if (bytecode == Bytecode::kJumpLoop) { | 
| -      PushLoop(iterator.GetJumpTargetOffset(), current_offset); | 
| +      // Every byte up to and including the last byte within the backwards jump | 
| +      // instruction is considered part of the loop, set loop end accordingly. | 
| +      int loop_end = current_offset + iterator.current_bytecode_size(); | 
| +      PushLoop(iterator.GetJumpTargetOffset(), loop_end); | 
|  | 
| // Save the last offset so that we can do another pass later. | 
| if (last_invalid_jumploop_offset == -1) { | 
| @@ -296,7 +299,7 @@ bool BytecodeAnalysis::IsLoopHeader(int offset) const { | 
| } | 
|  | 
| int BytecodeAnalysis::GetLoopOffsetFor(int offset) const { | 
| -  auto loop_end_to_header = end_to_header_.lower_bound(offset); | 
| +  auto loop_end_to_header = end_to_header_.upper_bound(offset); | 
| // If there is no next end => offset is not in a loop. | 
| if (loop_end_to_header == end_to_header_.end()) { | 
| return -1; | 
|  |