fix

Author: nunoplopes

cpp2rust/converter/converter.cpp

@@ -22,26 +22,27 @@
 #include "converter/lex.h"
 #include "converter/mapper.h"
 
+namespace cpp2rust {
+std::unordered_map<std::string, std::string> Converter::inner_structs_;
+std::unordered_set<std::string> Converter::decl_ids_;
+std::unordered_set<std::string> Converter::globals_;
+std::unordered_set<std::string> Converter::abstract_structs_;
+Converter::RecordIndex Converter::record_decls_;
+std::map<std::string, Converter::MethodsOnPtr> Converter::methods_on_ptr_;
+
 // `static mut` globals cannot have a `&`/`&mut` reference formed directly to
 // them in Rust 2024 edition. Wrapping the variable in a `&raw mut` pointer
 // followed by a deref sidesteps the restriction.
 // Doesn't apply when a rule replaced the expression with custom Rust code.
 static std::string WrapMutableStaticPlace(const clang::Decl *decl, std::string str) {
-  if (IsGlobalVar(decl) && !decl->getType()->isReferenceType() &&
+  auto decl = clang::dyn_cast<clang::VarDecl>(decl);
+  if (decl && IsGlobalVar(decl) && !decl->getType()->isReferenceType() &&
       str == GetNamedDeclAsString(decl)) {
     return std::format("(*&raw mut {})", str);
   }
   return str;
 }
 
-namespace cpp2rust {
-std::unordered_map<std::string, std::string> Converter::inner_structs_;
-std::unordered_set<std::string> Converter::decl_ids_;
-std::unordered_set<std::string> Converter::globals_;
-std::unordered_set<std::string> Converter::abstract_structs_;
-Converter::RecordIndex Converter::record_decls_;
-std::map<std::string, Converter::MethodsOnPtr> Converter::methods_on_ptr_;
-
 void Converter::ConvertUniquePtrDeref(clang::CXXOperatorCallExpr *expr) {
   bool is_star = expr->getOperator() == clang::OverloadedOperatorKind::OO_Star;
   PushParen paren(*this, is_star);