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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 8d98b0d30ab..263127f2de1 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2137,7 +2137,7 @@ fs_visitor::compute_to_mrf()
*/
fs_inst *scan_inst;
for (scan_inst = (fs_inst *)inst->prev;
- scan_inst->prev != NULL;
+ !scan_inst->is_head_sentinel();
scan_inst = (fs_inst *)scan_inst->prev) {
if (scan_inst->dst.file == GRF &&
scan_inst->dst.reg == inst->src[0].reg) {