The Burroughs large system architecture of the 1960s and 1970s (B6500, B6700 etc.) did it. Objects were called “arrays” and there was hardware support for allocating and deallocating them in Algol, the native language. These systems were initially aimed at businesses (for example, Ford was a big customer for such things as managing what parts were flowing where) I believe, but later they managed to support FORTRAN with its unsafe flat model.

These were large machines (think of a room 20m square) and with explicit hardware support for Algol operations including the array stuff and display registers for nested functions, were complex and power hungry and with a lot to go wrong. Eventually, with the technology of the day, they became uncompetitive against simpler architectures. By this time too, people wanted to program in languages like C++ that were not supported.

With today’s technology, it might be possible.

It still exists today, as Unisys ClearPath MCP.