Mesa (7.9): glsl: Fix 'control reaches end of non-void function' warning.

[Ian Romanick]

Module: Mesa
Branch: 7.9
Commit: 54a596e34a3349bae5b4b97c40533abb6c30d6cd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=54a596e34a3349bae5b4b97c40533abb6c30d6cd

Author: Vinson Lee <vlee at vmware.com>
Date:   Wed Nov 17 22:42:51 2010 -0800

glsl: Fix 'control reaches end of non-void function' warning.

Fix this GCC warning.
ir.cpp: In static member function
'static unsigned int ir_expression::get_num_operands(ir_expression_operation)':
ir.cpp:199: warning: control reaches end of non-void function
(cherry picked from commit 855c66bde7e51c3486e4c6abc7096a1a949a98e1)

---

 src/glsl/ir.cpp |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
index 0199472..4aa212e 100644
--- a/src/glsl/ir.cpp
+++ b/src/glsl/ir.cpp
@@ -196,6 +196,9 @@ ir_expression::get_num_operands(ir_expression_operation op)
 
    if (op <= ir_last_binop)
       return 2;
+
+   assert(false);
+   return 0;
 }
 
 static const char *const operator_strs[] = {