glsl: initialise killed_all field.

coverity pointed out this field was being used uninitialised.

Note: This is a candidate for stable branches.

Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 906670a7906a785210c872f637239bf4afa5b63d)

diff --git a/src/glsl/opt_constant_propagation.cpp b/src/glsl/opt_constant_propagation.cpp
index c5ae36b..a038119 100644 (file)
--- a/src/glsl/opt_constant_propagation.cpp
+++ b/src/glsl/opt_constant_propagation.cpp
@@ -92,6 +92,7 @@ public:
    ir_constant_propagation_visitor()
    {
       progress = false;
+      killed_all = false;
       mem_ctx = ralloc_context(0);
       this->acp = new(mem_ctx) exec_list;
       this->kills = new(mem_ctx) exec_list;