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-rw-r--r--vm_insnhelper.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 37e7637..1d5c3a5 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -3325,7 +3325,14 @@ vm_stack_consistency_error(rb_thread_t *th,
const ptrdiff_t nbp = VM_SP_CNT(th, bp);
static const char stack_consistency_error[] =
"Stack consistency error (sp: %"PRIdPTRDIFF", bp: %"PRIdPTRDIFF")";
+#if defined RUBY_DEVEL
+ VALUE mesg = rb_sprintf(stack_consistency_error, nsp, nbp);
+ rb_str_cat_cstr(mesg, "\n");
+ rb_str_append(mesg, rb_iseq_disasm(cfp->iseq));
+ rb_exc_fatal(rb_exc_new3(rb_eFatal, mesg));
+#else
rb_bug(stack_consistency_error, nsp, nbp);
+#endif
}
enum binop_operands_type {