[debug] always add debug slot for statements.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index b93149407e8709b0666e2baa833c44f860439ff0..be196f7e2181ee04a656ace2692ccddeb3d3ac9e 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1826,7 +1826,7 @@ std::ostream& operator<<(std::ostream& os, ExternalReference reference) {
   return os;
 }
 
-bool AssemblerPositionsRecorder::RecordPosition(int pos) {
+void AssemblerPositionsRecorder::RecordPosition(int pos) {
   DCHECK(pos != RelocInfo::kNoPosition);
   DCHECK(pos >= 0);
   current_position_ = pos;
@@ -1834,10 +1834,10 @@ bool AssemblerPositionsRecorder::RecordPosition(int pos) {
                  CodeLinePosInfoAddPositionEvent(jit_handler_data_,
                                                  assembler_->pc_offset(),
                                                  pos));
-  return WriteRecordedPositions();
+  WriteRecordedPositions();
 }
 
-bool AssemblerPositionsRecorder::RecordStatementPosition(int pos) {
+void AssemblerPositionsRecorder::RecordStatementPosition(int pos) {
   DCHECK(pos != RelocInfo::kNoPosition);
   DCHECK(pos >= 0);
   current_statement_position_ = pos;
@@ -1846,12 +1846,10 @@ bool AssemblerPositionsRecorder::RecordStatementPosition(int pos) {
                      jit_handler_data_,
                      assembler_->pc_offset(),
                      pos));
-  return RecordPosition(pos);
+  RecordPosition(pos);
 }
 
-bool AssemblerPositionsRecorder::WriteRecordedPositions() {
-  bool written = false;
-
+void AssemblerPositionsRecorder::WriteRecordedPositions() {
   // Write the statement position if it is different from what was written last
   // time.
   if (current_statement_position_ != written_statement_position_) {
@@ -1860,7 +1858,6 @@ bool AssemblerPositionsRecorder::WriteRecordedPositions() {
                                 current_statement_position_);
     written_position_ = current_statement_position_;
     written_statement_position_ = current_statement_position_;
-    written = true;
   }
 
   // Write the position if it is different from what was written last time and
@@ -1869,11 +1866,7 @@ bool AssemblerPositionsRecorder::WriteRecordedPositions() {
     EnsureSpace ensure_space(assembler_);
     assembler_->RecordRelocInfo(RelocInfo::POSITION, current_position_);
     written_position_ = current_position_;
-    written = true;
   }
-
-  // Return whether something was written.
-  return written;
 }