glsl: return visit_stop in ir_validate::visit_enter() to silence warning

diff --git a/src/glsl/ir_validate.cpp b/src/glsl/ir_validate.cpp
index a352012..20a0377 100644 (file)
--- a/src/glsl/ir_validate.cpp
+++ b/src/glsl/ir_validate.cpp
@@ -585,6 +585,7 @@ dump_ir:
    printf("callee:\n");
    callee->print();
    abort();
+   return visit_stop;
 }
 
 void