PERLVAR(Ireentrant_buffer, REBUF*) /* here we store the _r buffers */
#endif
-PERLVAR(sharedsv_space, PerlInterpreter*)
-PERLVAR(sharedsv_space_mutex, perl_mutex)
-
#endif
PERLVAR(Isavebegin, bool) /* save BEGINs for compiler */
PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */
+#ifdef PL_OP_SLAB_ALLOC
+PERLVAR(IOpPtr,I32 **)
+PERLVARI(IOpSpace,I32,0)
+PERLVAR(IOpSlab,I32 *)
+#endif
+
/* New variables must be added to the very end for binary compatibility.
* XSUB.h provides wrapper functions via perlapi.h that make this
* irrelevant, but not all code may be expected to #include XSUB.h. */