glsl: Initialize variable in ir_derefence_array::constant_expression_value

Completely initialize data passed to ir_constant constructor.

Fixes piglit glsl-mat-from-int-ctor-03 valgrind uninitialized value
error on softpipe.

diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index 61a708f6e2ddf436338637820fab2f36be377a2e..8301e680278d52046695c85cef208c3d6c0875d0 100644 (file)
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -751,7 +751,7 @@ ir_dereference_array::constant_expression_value()
          */
         const unsigned mat_idx = column * column_type->vector_elements;
 
-        ir_constant_data data;
+        ir_constant_data data = { { 0 } };
 
         switch (column_type->base_type) {
         case GLSL_TYPE_UINT: