Dear sir/madam, I add a pass in gcc. In the pass, I create one tmp variable va1 = create_tmp_var(integer_type_node,"test"); At the same time, I create one function call tree call = build_function_call_expr (print_decl, vargs ); When the vargs is a constant: vargs =tree_cons (NULL , build_int_cst (integer_type_node, 6); , NULL) It works well. However, when I put a variable in . The compiler report compile time error. Segment fault tree va1 = create_tmp_var(integer_type_node,"test"); add_referenced_var (va1); va1 = make_ssa_name (va1, NULL_TREE); vargs =tree_cons (NULL , va1; , NULL) The error happens when I try to add the call into a basic block. I think it is related to the SSA operation. But I do not know how to deal with it. Thank for your help fern
