Fix test case for texture

Signed-off-by: Ahmed, Daiyaan <daiyaan.ahmed@intel.com>

Author: daiyaan-ahmed6

clang/lib/DPCT/RulesLang/RulesLang.cpp

@@ -2770,7 +2770,8 @@ const Expr *getAssignedBO(const Expr *E, ASTContext &Context,
   } else if (auto BO = dyn_cast<BinaryOperator>(E)) {
     // If E is BinaryOperator, return E only when it is assign expression,
     // otherwise return nullptr.
-    if (BO->getOpcode() == BO_Assign)
+    auto Opcode = BO->getOpcode();
+    if (Opcode == BO_Assign || Opcode == BO_OrAssign)
       return BO;
   } else if (auto COCE = dyn_cast<CXXOperatorCallExpr>(E)) {
     if (COCE->getOperator() == OO_Equal) {