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-rw-r--r--src/glsl/ast_to_hir.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 64b142fa35d..2fec02668d8 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -1259,8 +1259,14 @@ ast_expression::hir(exec_list *instructions,
_mesa_glsl_error(&loc, state, "unsized array index must be constant");
} else {
if (array->type->is_array()) {
+ /* whole_variable_referenced can return NULL if the array is a
+ * member of a structure. In this case it is safe to not update
+ * the max_array_access field because it is never used for fields
+ * of structures.
+ */
ir_variable *v = array->whole_variable_referenced();
- v->max_array_access = array->type->array_size();
+ if (v != NULL)
+ v->max_array_access = array->type->array_size();
}
}