Mesa (master): i965: Use unreachable() to silence a compiler warning.

[Matt Turner]

Module: Mesa
Branch: master
Commit: 8bc126cd37ff65773aec113956b8e442e595e630
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8bc126cd37ff65773aec113956b8e442e595e630

Author: Matt Turner <mattst88 at gmail.com>
Date:   Mon Nov  4 16:26:29 2013 -0800

i965: Use unreachable() to silence a compiler warning.

Reviewed-by: Brian Paul <brianp at vmware.com>
Reviewed-by: Francisco Jerez <currojerez at riseup.net>

---

 src/mesa/drivers/dri/i965/brw_reg.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h
index e9cf892..548d677 100644
--- a/src/mesa/drivers/dri/i965/brw_reg.h
+++ b/src/mesa/drivers/dri/i965/brw_reg.h
@@ -299,6 +299,7 @@ brw_vecn_reg(unsigned width, unsigned file, unsigned nr, unsigned subnr)
    default:
       assert(!"Invalid register width");
    }
+   unreachable();
 }
 
 static inline struct brw_reg