--- gcc/reload.h.mp	2021-01-20 20:20:33.565766631 -0500

+++ gcc/reload.h	2021-01-20 20:20:48.437724432 -0500

@@ -166,7 +166,7 @@ struct target_reload {

      value indicates the level of indirect addressing supported, e.g., two

      means that (MEM (MEM (REG n))) is also valid if (REG n) does not get

      a hard register.  */

-  bool x_spill_indirect_levels;

+  unsigned char x_spill_indirect_levels;

   /* True if caller-save has been reinitialized.  */

   bool x_caller_save_initialized_p;