cppfront.exe msvc-msstl-e.cpp2
diff -s -q -w msvc-msstl-e.cpp2 msvc-msstl-e.cpp

cppfront.exe gcc-10-libstdc++-e.cpp2
diff -s -q -w gcc-10-libstdc++-e.cpp2 gcc-10-libstdc++-e.cpp

cppfront.exe clang-12-libstdc++-e.cpp2
diff -s -q -w clang-12-libstdc++-e.cpp2 clang-12-libstdc++-e.cpp