sycl::stream causes leak if exception is thrown during launch

[steffenlarsen]

Describe the bug

The sycl::stream class leaks multiple backend objects if the launch it is used in throws an exception. This can be illustrated with:

#include <sycl/sycl.hpp>

using namespace sycl;

int main() {
  queue q = queue();

  try {
    const int N = 1;
    q.submit([&](handler &cgh) {
       sycl::stream kernelout(128, 64, cgh);
       cgh.parallel_for<class test_kernel>(
           nd_range<3>(range<3>{1, 1, N}, range<3>{1, 1, 16}),
           [=](nd_item<3> itm) { kernelout << 1; });
     }).wait();
    return 1;
  } catch (exception &E) {
    return E.code() != errc::nd_range;
  }
}

Compile and run:

$ clang++ -fsycl test.cpp -o test.out
$ UR_L0_LEAKS_DEBUG=1 ./test.out
Check balance of create/destroy calls
----------------------------------------------------------
               zeContextCreate = 1     \--->              zeContextDestroy = 0     ---> LEAK = 1
          zeCommandQueueCreate = 0     \--->         zeCommandQueueDestroy = 0    
                zeModuleCreate = 1     \--->               zeModuleDestroy = 0     ---> LEAK = 1
                zeKernelCreate = 1     \--->               zeKernelDestroy = 0     ---> LEAK = 1
             zeEventPoolCreate = 1     \--->            zeEventPoolDestroy = 0     ---> LEAK = 1
  zeCommandListCreateImmediate = 2     | 
           zeCommandListCreate = 0     \--->          zeCommandListDestroy = 0     ---> LEAK = 2
                 zeEventCreate = 1     \--->                zeEventDestroy = 0     ---> LEAK = 1
                 zeFenceCreate = 0     \--->                zeFenceDestroy = 0    
                 zeImageCreate = 0     \--->                zeImageDestroy = 0    
               zeSamplerCreate = 0     \--->              zeSamplerDestroy = 0    
              zeMemAllocDevice = 2     | 
                zeMemAllocHost = 1     | 
              zeMemAllocShared = 2     \--->                     zeMemFree = 4     ---> LEAK = 1

To reproduce

1. Include a code snippet that is as short as possible
2. Specify the command which should be used to compile the program
3. Specify the command which should be used to launch the program
4. Indicate what is wrong and what was expected

Environment

• OS: [e.g Windows/Linux]
• Target device and vendor: [e.g. Intel GPU]
• DPC++ version: [e.g. commit hash or output of clang++ --version]
• Dependencies version: [e.g. the output of sycl-ls --verbose]

Additional context

No response