Revert "Reland r20974: Unify and simplify the FastCloneShallowArrayStub"

src/lithium.cc

Index: src/lithium.cc
diff --git a/src/lithium.cc b/src/lithium.cc
index 5cbed3522825468f0e5da8f138d4c9dcc77e2c87..2265353f4736a2c7fc2c386ad6f58a84a53c6dcf 100644
--- a/src/lithium.cc
+++ b/src/lithium.cc
@@ -449,8 +449,6 @@ Handle<Code> LChunk::Codegen() {
                    CodeEndLinePosInfoRecordEvent(*code, jit_handler_data));
 
     CodeGenerator::PrintCode(code, info());
-    ASSERT(!(info()->GetMustNotHaveEagerFrame() &&
-             generator.NeedsEagerFrame()));
     return code;
   }
   assembler.AbortedCodeGeneration();