Do not eagerly update allow_osr_at_loop_nesting_level.

src/full-codegen.h

Index: src/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen.h
index bd6aa13c83099d026cea0a566877f03709f77e13..cede9acaddf1c13a46b359b37c55893ab54f2038 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen.h
@@ -890,10 +890,8 @@ class BackEdgeTable {
     OSR_AFTER_STACK_CHECK
   };
 
-  // Patch all interrupts with allowed loop depth in the unoptimized code to
-  // unconditionally call replacement_code.
-  static void Patch(Isolate* isolate,
-                    Code* unoptimized_code);
+  // Increase allowed loop nesting level by one and patch those matching loops.
+  static void Patch(Isolate* isolate, Code* unoptimized_code);
 
   // Patch the back edge to the target state, provided the correct callee.
   static void PatchAt(Code* unoptimized_code,
@@ -919,9 +917,7 @@ class BackEdgeTable {
 
 #ifdef DEBUG
   // Verify that all back edges of a certain loop depth are patched.
-  static bool Verify(Isolate* isolate,
-                     Code* unoptimized_code,
-                     int loop_nesting_level);
+  static bool Verify(Isolate* isolate, Code* unoptimized_code);
 #endif  // DEBUG
 
  private: