Refactor frozen_string_literal check during compilation

In preparation for https://bugs.ruby-lang.org/issues/20205.

The `frozen_string_literal` compilation option will no longer
be a boolean but a tri-state: `on/off/default`.

1 files changed, 1 insertions, 0 deletions

diff --git a/iseq.h b/iseq.h
index ec5b145f43..78e0d900db 100644
--- a/iseq.h
+++ b/iseq.h
@@ -172,6 +172,7 @@ void rb_iseq_init_trace(rb_iseq_t *iseq);
 int rb_iseq_add_local_tracepoint_recursively(const rb_iseq_t *iseq, rb_event_flag_t turnon_events, VALUE tpval, unsigned int target_line, bool target_bmethod);
 int rb_iseq_remove_local_tracepoint_recursively(const rb_iseq_t *iseq, VALUE tpval);
 const rb_iseq_t *rb_iseq_load_iseq(VALUE fname);
+int rb_iseq_opt_frozen_string_literal(void);
 
 #if VM_INSN_INFO_TABLE_IMPL == 2
 unsigned int *rb_iseq_insns_info_decode_positions(const struct rb_iseq_constant_body *body);