8055946: assert(result == NULL || result->is_oop()) failed: must be oop

Summary: caller of popped frame doesn't have valid result during deoptimization
Reviewed-by: kvn

src/share/vm/runtime/deoptimization.cpp

@@ -228,7 +228,8 @@ Deoptimization::UnrollBlock* Deoptimization::fetch_unroll_info_helper(JavaThread
       // It is not guaranteed that we can get such information here only
       // by analyzing bytecode in deoptimized frames. This is why this flag
       // is set during method compilation (see Compile::Process_OopMap_Node()).
-      bool save_oop_result = chunk->at(0)->scope()->return_oop();
+      // If the previous frame was popped, we don't have a result.
+      bool save_oop_result = chunk->at(0)->scope()->return_oop() && !thread->popframe_forcing_deopt_reexecution();
       Handle return_value;
       if (save_oop_result) {
         // Reallocation may trigger GC. If deoptimization happened on return from