glsl: Add an assert when cloning ir_dereference_record with invalid field

Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>

diff --git a/src/compiler/glsl/ir_clone.cpp b/src/compiler/glsl/ir_clone.cpp
index 69441fae7de0e5eff396de2a94f110f6f65161de..e1f4f3b2903dd30697a44afb6301abbe956f9b14 100644 (file)
--- a/src/compiler/glsl/ir_clone.cpp
+++ b/src/compiler/glsl/ir_clone.cpp
@@ -194,6 +194,7 @@ ir_dereference_array::clone(void *mem_ctx, struct hash_table *ht) const
 ir_dereference_record *
 ir_dereference_record::clone(void *mem_ctx, struct hash_table *ht) const
 {
+   assert(this->field_idx >= 0);
    const char *field_name =
       this->record->type->fields.structure[this->field_idx].name;
    return new(mem_ctx) ir_dereference_record(this->record->clone(mem_ctx, ht),