Minecraft crashes before logo screen, was playing on 1.8.1 before crash.

The game crashes when I try to start up the game, it does not reach the logo screen, this is what it says when it crashes.

1. A fatal error has been detected by the Java Runtime Environment:
   #
2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000001b3dae85, pid=4784, tid=14672
   #
3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [ig7icd64.dll+0x4aae85]
   #
7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
   Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

This is the full crash report below.