Do not use SPV_KHR_untyped_pointers extension in the tests yet

Author: vmaksimo

sycl/test/basic_tests/sycl-kernel-save-user-names.cpp

@@ -1,6 +1,6 @@
 // RUN: %clangxx -fsycl -fsycl-device-only -fno-discard-value-names -fno-sycl-early-optimizations -o %t.bc %s
 // RUN: sycl-post-link -properties %t.bc -spec-const=emulation -o %t.table
-// RUN: llvm-spirv -o %t.spv -spirv-max-version=1.3 -spirv-ext=+all %t.bc
+// RUN: llvm-spirv -o %t.spv -spirv-max-version=1.3 -spirv-ext=+all,-SPV_KHR_untyped_pointers %t.bc
 // RUN: llvm-spirv -o %t.rev.bc -r %t.spv
 // RUN: llvm-dis %t.rev.bc -o=- | FileCheck %s
 

sycl/test/extensions/private_alloca.cpp

@@ -1,7 +1,7 @@
 // RUN: %clangxx -fsycl -fsycl-device-only -c -o %t.bc %s
 // RUN: %if asserts %{sycl-post-link -properties -debug-only=SpecConst %t.bc -spec-const=native -o %t.txt 2>&1 | FileCheck %s -check-prefixes=CHECK-LOG %} %else %{sycl-post-link %t.bc -properties -spec-const=native -o %t.txt 2>&1 %}
 // RUN: cat %t_0.prop | FileCheck %s -check-prefixes=CHECK,CHECK-RT
-// RUN: llvm-spirv -o %t_0.spv -spirv-max-version=1.1 -spirv-ext=+all %t_0.bc
+// RUN: llvm-spirv -o %t_0.spv -spirv-max-version=1.1 -spirv-ext=+all,-SPV_KHR_untyped_pointers %t_0.bc
 // RUN: llvm-spirv -o - --to-text %t_0.spv | FileCheck %s -check-prefixes=CHECK-SPV
 
 // Check SPIR-V code generation for 'sycl_ext_oneapi_private_alloca'. Each call