Destroying a secondary OpenGL context in another thread turns the window black permanently on macOS

mwe.cpp

#include <thread>

#define GL_SILENCE_DEPRECATION
#include <OpenGL/gl.h>

#include <SDL2/SDL.h>

int main()
{
	SDL_Init(SDL_INIT_VIDEO);

	SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);

	SDL_Window *const window{SDL_CreateWindow("SDLSharedContextTest", 0, 0, 800, 600, SDL_WINDOW_OPENGL | SDL_WINDOW_ALLOW_HIGHDPI)};

	SDL_GLContext context{SDL_GL_CreateContext(window)};

	SDL_GL_MakeCurrent(window, context);

	glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
	glClear(GL_COLOR_BUFFER_BIT);

	SDL_GL_SwapWindow(window);

	for (SDL_Event e; SDL_PollEvent(&e); );

	SDL_GLContext secondary{SDL_GL_CreateContext(window)};

#define THREAD_ISSUE
#ifdef THREAD_ISSUE
	std::thread{[=]
	{
		SDL_GL_MakeCurrent(window, secondary);
		SDL_GL_MakeCurrent(window, nullptr);

		SDL_GL_DeleteContext(secondary);
	}}.join();
#endif

	glClearColor(1.0f, 0.0f, 0.0f, 1.0f);

	bool quit{false};
	while (!quit)
	{
		for (SDL_Event e; SDL_PollEvent(&e); )
		{
			if (e.type == SDL_QUIT)
			{
				quit = true;
			}
		}

		glClear(GL_COLOR_BUFFER_BIT);

		SDL_GL_SwapWindow(window);
	}

	SDL_GL_DeleteContext(context);
	SDL_DestroyWindow(window);

	return 0;
}