[llvm] [libsycl] Add liboffload context handler to default context (PR #213249)

[Sergey Semenov via llvm-commits]

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@@ -13,15 +13,46 @@ _LIBSYCL_BEGIN_NAMESPACE_SYCL
 
 namespace detail {
 
+ContextImpl::ContextImpl(std::vector<DeviceImpl *> &&DeviceList,
+                         const async_handler &AsyncHandler,
+                         const property_list &PropList, Private)
+    : MAsyncHandler(AsyncHandler), MDevices(DeviceList) {
+  (void)PropList;
+
+  assert(!MDevices.empty() && "Device list must not be empty");
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sergey-semenov wrote:

This should probably be an exception instead.

https://github.com/llvm/llvm-project/pull/213249