Check `MRB_TT_*` before object allocation; ref
MODIFY
include/mruby/value.h
include/mruby/value.h
@@ -107,12 +107,12 @@ static const unsigned int IEEE754_INFINITY_BITS_SINGLE = 0x7F800000;
enum mrb_vtype {
MRB_TT_FALSE = 0,
MRB_TT_TRUE,
- MRB_TT_FLOAT,
- MRB_TT_INTEGER,
MRB_TT_SYMBOL,
MRB_TT_UNDEF,
- MRB_TT_CPTR,
MRB_TT_FREE,
+ MRB_TT_FLOAT,
+ MRB_TT_INTEGER,
+ MRB_TT_CPTR,
MRB_TT_OBJECT,
MRB_TT_CLASS,
MRB_TT_MODULE,

MODIFY
src/gc.c
src/gc.c
@@ -559,6 +559,9 @@ mrb_obj_alloc(mrb_state *mrb, enum mrb_vtype ttype, struct RClass *cls)
mrb_raisef(mrb, E_TYPE_ERROR, "allocation failure of %C", cls);
}
}
+ if (ttype <= MRB_TT_FREE) {
+ mrb_raisef(mrb, E_TYPE_ERROR, "allocation failure of %C (type %d)", cls, (int)ttype);
+ }
#ifdef MRB_GC_STRESS
mrb_full_gc(mrb);

Check `MRB_TT_*` before object allocation; ref #5352