From 7335d8006fdc065c8dbe6b63007ffa77ffd53470 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Thu, 7 Jan 2010 11:18:04 -0700
Subject: [PATCH] tgsi: add assertion to verify legal register file

This assertion fails with piglit glsl-vs-mov-after-deref test
because we're double freeing the memory.  It seems there's some
confusion between what's placed in the hash table and what isn't.
---
 src/gallium/auxiliary/tgsi/tgsi_sanity.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_sanity.c b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
index 6aeb9efb948..7f1c8e5dd68 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sanity.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
@@ -515,6 +515,7 @@ regs_hash_destroy(struct cso_hash *hash)
    while (!cso_hash_iter_is_null(iter)) {
       scan_register *reg = (scan_register *)cso_hash_iter_data(iter);
       iter = cso_hash_erase(hash, iter);
+      assert(reg->file < TGSI_FILE_COUNT);
       FREE(reg);
    }
    cso_hash_delete(hash);