glsl: Add missing ir_quadop_vector constant evaluation for Boolean types

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

src/compiler/glsl/ir_constant_expression.cpp

@@ -1726,6 +1726,9 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
          case GLSL_TYPE_DOUBLE:
             data.d[c] = op[c]->value.d[0];
             break;
+         case GLSL_TYPE_BOOL:
+            data.b[c] = op[c]->value.b[0];
+            break;
          default:
             assert(0);
          }