CodeQL library for C/C++
codeql/cpp-all 1.1.2-dev (changelog, source)

Member predicate SpecifiedType::resolveTypedefs

Gets this type with any typedefs resolved. For example, given typedef C T, this would resolve const T& to const C&. Note that this will only work if the resolved type actually appears on its own elsewhere in the program.

Type resolveTypedefs()