[interpreter] CompilationInfo::unoptimized_code only for OSR.

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 112696baa0cfcbcd43245e2fcb005077bfe7ae6e..4ab4a307bbc3a5d2f499dfa1ff527892c0a81535 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -247,15 +247,18 @@ class CompilationInfo {
   // Accessors for the different compilation modes.
   bool IsOptimizing() const { return mode_ == OPTIMIZE; }
   bool IsStub() const { return mode_ == STUB; }
-  void SetOptimizing(BailoutId osr_ast_id, Handle<Code> unoptimized) {
+  void SetOptimizing() {
     DCHECK(has_shared_info());
     SetMode(OPTIMIZE);
-    osr_ast_id_ = osr_ast_id;
-    unoptimized_code_ = unoptimized;
     optimization_id_ = isolate()->NextOptimizationId();
     code_flags_ =
         Code::KindField::update(code_flags_, Code::OPTIMIZED_FUNCTION);
   }
+  void SetOptimizingForOsr(BailoutId osr_ast_id, Handle<Code> unoptimized) {
+    SetOptimizing();
+    osr_ast_id_ = osr_ast_id;
+    unoptimized_code_ = unoptimized;
+  }
 
   // Deoptimization support.
   bool HasDeoptimizationSupport() const {