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-rw-r--r--frontends/verilog/verilog_frontend.cc7
1 files changed, 5 insertions, 2 deletions
diff --git a/frontends/verilog/verilog_frontend.cc b/frontends/verilog/verilog_frontend.cc
index e2aecd99b..5907707c8 100644
--- a/frontends/verilog/verilog_frontend.cc
+++ b/frontends/verilog/verilog_frontend.cc
@@ -61,8 +61,11 @@ static void add_package_types(dict<std::string, AST::AstNode *> &user_types, std
}
}
}
- user_type_stack.clear();
- user_type_stack.push_back(new UserTypeMap());
+
+ // carry over typedefs from previous files, but allow them to be overridden
+ // note that these type maps are currently never reclaimed
+ if (user_type_stack.empty() || !user_type_stack.back()->empty())
+ user_type_stack.push_back(new UserTypeMap());
}
struct VerilogFrontend : public Frontend {