Retrieve operands at the beginning of `OP_SCLASS`.
MODIFY
src/vm.c
src/vm.c
@@ -2867,7 +2867,10 @@ RETRY_TRY_BLOCK:
CASE(OP_SCLASS) {
/* A B R(A) := R(B).singleton_class */
- regs[GETARG_A(i)] = mrb_singleton_class(mrb, regs[GETARG_B(i)]);
+ int a = GETARG_A(i);
+ int b = GETARG_B(i);
+
+ regs[a] = mrb_singleton_class(mrb, regs[b]);
mrb_gc_arena_restore(mrb, ai);
NEXT;
}

Retrieve operands at the beginning of `OP_SCLASS`.