[MC-83746] Framerate drop in 1.9 snapshots

I went from getting an average of 40-50 frames per second in minecraft 1.8.7, to now getting a consistent 12 fps with the new snapshot.

Moderator Note

@anybody having this issue:
Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report (minecraft/crash-reports/crash-<DATE>-client.txt) here.

All reported issues with crash reports / screenshots with debug screen report OpenGL 2.1 or 3.0. That may be caused by old / incomplete / incompatible drivers.

Collection of graphics cards / drivers / OS

This: OpenGL: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 INTEL-10.6.31, Intel Inc., Mac OS X version 10.10.4
This: OpenGL: Gallium 0.4 on AMD RS780 GL version 3.0 Mesa 10.1.0, X.Org, Linux version 3.13.0-24-generic
~~MC-84576~~: Intel HD Graphics 3000, OS X 10.10.4
~~MC-84630~~: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 INTEL-10.6.31, OS X Yosmite
~~MC-84770~~: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 INTEL-10.8.64, OS X 10.10.4
~~MC-86392~~: OpenGL: Intel GMA 950 OpenGL Engine GL version 1.4 APPLE-7.4.1, Intel Inc.
This: OpenGL: GeForce GT 520/PCIe/SSE2 GL version 4.5.0 NVIDIA 355.60, NVIDIA Corporation
This: OpenGL: AMD Radeon R7 200 Series GL version 4.5.13399 Compatibility Profile Context 15.200.1062.1004, ATI Technologies Inc.
This: OpenGL: Quadro 1000M/PCIe/SSE2 GL version 4.4.0 NVIDIA 345.20, NVIDIA Corporation