Record statement positions for the debugger in the fast code generator.

src/fast-codegen.cc

Index: src/fast-codegen.cc
===================================================================
--- src/fast-codegen.cc	(revision 3073)
+++ src/fast-codegen.cc	(working copy)
@@ -66,7 +66,34 @@
   return offset;
 }
 
+void FastCodeGenerator::SetFunctionPosition(FunctionLiteral* fun) {
+  if (FLAG_debug_info) {
+    CodeGenerator::RecordPositions(masm_, fun->start_position());
+  }
+}
 
+
+void FastCodeGenerator::SetReturnPosition(FunctionLiteral* fun) {
+  if (FLAG_debug_info) {
+    CodeGenerator::RecordPositions(masm_, fun->end_position());
+  }
+}
+
+
+void FastCodeGenerator::SetStatementPosition(Statement* stmt) {
+  if (FLAG_debug_info) {
+    CodeGenerator::RecordPositions(masm_, stmt->statement_pos());
+  }
+}
+
+
+void FastCodeGenerator::SetSourcePosition(int pos) {
+  if (FLAG_debug_info && pos != RelocInfo::kNoPosition) {
+    masm_->RecordPosition(pos);
+  }
+}
+
+
 void FastCodeGenerator::VisitDeclaration(Declaration* decl) {
   UNREACHABLE();
 }