to debug::Object. This used to be unnecessary as the debug objects used
to contain POD, but we now also have std::string and std::vector fields
in these objects, and we need them to destruct.

Bug: b/148401179
Change-Id: I28637f645a96e3e895e7ae5f3028eb7872c92dd3
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/45608
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Tested-by: Ben Clayton <bclayton@google.com>