stage1 实现更多ast2ir 修复bug 提供内置操作

stage1/spl_ir.c

@@ -773,9 +773,11 @@ spl_ir_node_ref_t spl_ir_builder_control_unreachable(spl_ir_builder_t *b) {
 }
 
 spl_ir_node_ref_t spl_ir_builder_control_trap(spl_ir_builder_t *b) {
-    return builder_alloc_node(b, SPL_IR_CONTROL_TRAP);
+    spl_ir_node_ref_t ref = builder_alloc_node(b, SPL_IR_CONTROL_TRAP);
+    b->terminated = true;
+    return ref;
 }
 
 spl_ir_node_ref_t spl_ir_builder_dbg_breakpoint(spl_ir_builder_t *b) {
     return builder_alloc_node(b, SPL_IR_DBG_BREAKPOINT);
-}
+}