When checking number of parameters in MakeCrankshaft code don't forget about receiver.

src/compiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 203 matching lines @@
     // True indicates the compilation pipeline is still going, not
     // necessarily that we optimized the code.
     return true;
   }
 
   // Due to an encoding limit on LUnallocated operands in the Lithium
   // language, we cannot optimize functions with too many formal parameters
   // or perform on-stack replacement for function with too many
   // stack-allocated local variables.
   //
-  // The encoding is as a signed value, with parameters using the negative
-  // indices and locals the non-negative ones.
+  // The encoding is as a signed value, with parameters and receiver using
+  // the negative indices and locals the non-negative ones.
   const int limit = LUnallocated::kMaxFixedIndices / 2;
   Scope* scope = info->scope();
-  if (scope->num_parameters() > limit || scope->num_stack_slots() > limit) {
+  if ((scope->num_parameters() + 1) > limit ||
+      scope->num_stack_slots() > limit) {
     AbortAndDisable(info);
     // True indicates the compilation pipeline is still going, not
     // necessarily that we optimized the code.
     return true;
   }
 
   // Take --hydrogen-filter into account.
   Vector<const char> filter = CStrVector(FLAG_hydrogen_filter);
   Handle<String> name = info->function()->debug_name();
   bool match = filter.is_empty() || name->IsEqualTo(filter);
@@ skipping 557 matching lines @@
                               shared->DebugName()));
     }
   }
 
   GDBJIT(AddCode(name,
                  Handle<Script>(info->script()),
                  Handle<Code>(info->code())));
 }
 
 } }  // namespace v8::internal