From 2ef4b5bc932bac100570d377551959c5655e37a3 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Mon, 16 May 2016 18:01:10 -0700
Subject: [PATCH] glsl: Assert that inputs have a location assigned

This catches a problem previously undetected until deep in the backend.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
---
 src/compiler/glsl/ir_set_program_inouts.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/glsl/ir_set_program_inouts.cpp b/src/compiler/glsl/ir_set_program_inouts.cpp
index 6768d82f338..183b13b82e3 100644
--- a/src/compiler/glsl/ir_set_program_inouts.cpp
+++ b/src/compiler/glsl/ir_set_program_inouts.cpp
@@ -94,6 +94,8 @@ mark(struct gl_program *prog, ir_variable *var, int offset, int len,
     */
 
    for (int i = 0; i < len; i++) {
+      assert(var->data.location != -1);
+
       int idx = var->data.location + var->data.index + offset + i;
       bool is_patch_generic = var->data.patch &&
                               idx != VARYING_SLOT_TESS_LEVEL_INNER &&
-- 
2.30.2