Mesa (master): nir: Silence GCC maybe-uninitialized warnings.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: 3a0fef0005eca63c6f8067d55145b8e884221cfa
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3a0fef0005eca63c6f8067d55145b8e884221cfa

Author: Vinson Lee <vlee at freedesktop.org>
Date:   Mon Nov  2 01:23:59 2015 -0800

nir: Silence GCC maybe-uninitialized warnings.

nir/nir_control_flow.c: In function ‘split_block_cursor.isra.11’:
nir/nir_control_flow.c:460:15: warning: ‘after’ may be used uninitialized in this function [-Wmaybe-uninitialized]
       *_after = after;
               ^
nir/nir_control_flow.c:458:16: warning: ‘before’ may be used uninitialized in this function [-Wmaybe-uninitialized]
       *_before = before;
                ^

Signed-off-by: Vinson Lee <vlee at freedesktop.org>
Reviewed-by: Connor Abbott <cwabbott0 at gmail.com>

---

 src/glsl/nir/nir_control_flow.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/glsl/nir/nir_control_flow.c b/src/glsl/nir/nir_control_flow.c
index 7f51c4f..96395a4 100644
--- a/src/glsl/nir/nir_control_flow.c
+++ b/src/glsl/nir/nir_control_flow.c
@@ -452,6 +452,9 @@ split_block_cursor(nir_cursor cursor,
          before = split_block_before_instr(nir_instr_next(cursor.instr));
       }
       break;
+
+   default:
+      unreachable("not reached");
    }
 
    if (_before)