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-rw-r--r--src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp b/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp
index 2c1abaf255c..114dc6cb212 100644
--- a/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp
+++ b/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp
@@ -42,6 +42,10 @@ dead_control_flow_eliminate(backend_shader *s)
foreach_block_safe (block, s->cfg) {
bblock_t *prev_block = block->prev();
+
+ if (!prev_block)
+ continue;
+
backend_instruction *const inst = block->start();
backend_instruction *const prev_inst = prev_block->end();