diff options
Diffstat (limited to 'frontends/ast/ast.cc')
| -rw-r--r-- | frontends/ast/ast.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc index 6097f02f5..982943d1b 100644 --- a/frontends/ast/ast.cc +++ b/frontends/ast/ast.cc @@ -1649,7 +1649,7 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, const dict<RTLIL::IdStr AstNode *new_ast = NULL; std::string modname = derive_common(design, parameters, &new_ast, quiet); - if (!design->has(modname)) { + if (!design->has(modname) && new_ast) { new_ast->str = modname; process_module(design, new_ast, false, NULL, quiet); design->module(modname)->check(); @@ -1699,6 +1699,7 @@ std::string AST::derived_module_name(std::string stripped_name, const std::vecto std::string AstModule::derive_common(RTLIL::Design *design, const dict<RTLIL::IdString, RTLIL::Const> ¶meters, AstNode **new_ast_out, bool quiet) { std::string stripped_name = name.str(); + (*new_ast_out) = nullptr; if (stripped_name.compare(0, 9, "$abstract") == 0) stripped_name = stripped_name.substr(9); |