mesa: 0a00a9a05b357dafae86bf8af879aa601f101eba (master)

piglit glx-swap-pixmap crashes on 64-bit softpipe and 64-bit llvmpipe. The test does not crash on swrast, 32-bit softpipe, or 64-bit llvmpipe.

$ ./bin/glx-swap-pixmap

Program received signal SIGSEGV, Segmentation fault.
(gdb) bt full
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00000000004285fe in main (argc=1, argv=0x7fffffffe308) at piglit/tests/glx/glx-swap-pixmap.c:70
        p = 69206017
        g = 0
        green = {0, 1, 0, 0}
        ctx = 0x6795b0
        pass = false
(gdb) frame 1
#1  0x00000000004285fe in main (argc=1, argv=0x7fffffffe308) at piglit/tests/glx/glx-swap-pixmap.c:70
70		glClearColor(0.0, 1.0, 0.0, 0.0);
(gdb) l
65	
66		ctx = piglit_get_glx_context(dpy, visinfo);
67		glXMakeCurrent(dpy, g, ctx);
68	
69		/* Clear to green */
70		glClearColor(0.0, 1.0, 0.0, 0.0);
71		glClear(GL_COLOR_BUFFER_BIT);
72	
73		/* Noop */
74		glXSwapBuffers(dpy, p);