Do not try to get the layout of classes with dependent fields since upstream added an assert to check for dependent types in getTypeSize.

src/Parser/Parser.cpp

@@ -281,16 +281,30 @@ static Cxxi::AccessSpecifier ConvertToAccess(clang::AccessSpecifier AS)
     return Cxxi::AccessSpecifier::Public;
 }
 
-Cxxi::Class^ Parser::WalkRecordCXX(clang::CXXRecordDecl* Record, bool IsDependent)
+static bool HasClassDependentFields(clang::CXXRecordDecl* Record)
 {
     using namespace clang;
-    using namespace clix;
 
-    if (Record->isAnonymousStructOrUnion())
+    for(auto it = Record->field_begin(); it != Record->field_end(); ++it)
     {
-        assert(0);
+        clang::FieldDecl* FD = (*it);
-        return nullptr;
+
+        switch (FD->getType()->getTypeClass()) {
+        #define TYPE(Class, Base)
+        #define ABSTRACT_TYPE(Class, Base)
+        #define NON_CANONICAL_TYPE(Class, Base)
+        #define DEPENDENT_TYPE(Class, Base) case Type::Class:
+        #include "clang/AST/TypeNodes.def"
+            return true;
         }
+    }
+    return false;
+}
+
+Cxxi::Class^ Parser::WalkRecordCXX(clang::CXXRecordDecl* Record, bool IsDependent)
+{
+    using namespace clang;
+    using namespace clix;
 
     if (Record->hasFlexibleArrayMember())
     {
@@ -337,6 +351,9 @@ Cxxi::Class^ Parser::WalkRecordCXX(clang::CXXRecordDecl* Record, bool IsDependen
         RC->Methods->Add(Method);
     }
 
+    if (!IsDependent)
+        IsDependent = HasClassDependentFields(Record);
+
     // Get the record layout information.
     const ASTRecordLayout* Layout = 0;
     if (!IsDependent)