Improve delete property with undefined base (#3312)

This patch finally resolves #2891 also the removes the related bytecode since it has become unnecessary. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2019-11-14 13:53:52 +01:00
parent 204de302aa
commit be95aa33b4
6 changed files with 38 additions and 14 deletions
@@ -1917,13 +1917,6 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
 #endif /* ENABLED (JERRY_ES2015) */
          continue;
        }
-        case VM_OC_PUSH_UNDEFINED_BASE:
-        {
-          stack_top_p[0] = stack_top_p[-1];
-          stack_top_p[-1] = ECMA_VALUE_UNDEFINED;
-          stack_top_p++;
-          continue;
-        }
        case VM_OC_IDENT_REFERENCE:
        {
          uint16_t literal_index;