Mesa (master): Revert "glsl: replace unreachable code path with assert"

[Timothy Arceri]

Module: Mesa
Branch: master
Commit: cf757f48eae44865bf35c0e95ce99576b160074a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=cf757f48eae44865bf35c0e95ce99576b160074a

Author: Timothy Arceri <timothy.arceri at collabora.com>
Date:   Mon Jan 11 09:20:39 2016 +1100

Revert "glsl: replace unreachable code path with assert"

This reverts commit 98270fd20d4d58db8ae5af3b6f10ed6a81c058a6.

Something went terribly wrong the commit is not what the commit
message says.

---

 src/glsl/link_varyings.cpp |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/glsl/link_varyings.cpp b/src/glsl/link_varyings.cpp
index 7cc5880..3853abd 100644
--- a/src/glsl/link_varyings.cpp
+++ b/src/glsl/link_varyings.cpp
@@ -1295,12 +1295,13 @@ public:
 
    void process(ir_variable *var)
    {
-      /* All named varying interface blocks should be flattened by now */
-      assert(!var->is_interface_instance());
-
       this->toplevel_var = var;
       this->varying_floats = 0;
-      program_resource_visitor::process(var);
+      if (var->is_interface_instance())
+         program_resource_visitor::process(var->get_interface_type(),
+                                           var->get_interface_type()->name);
+      else
+         program_resource_visitor::process(var);
    }
 
 private: