Memory leak in cudaq.sample

[ikkoham]

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Describe the bug

I found memory leak, see the following a code example for details:

Steps to reproduce the bug

import cudaq

for i in range(100000):
#    print(f"\r{i}", end="")
    kernel = cudaq.make_kernel()
    result = cudaq.sample(kernel)

I run the code on jupyter notebook and kernel shutdown at i=21667.
When I run the script (not jupyter),

JIT session error: Cannot allocate memory
Segmentation fault

Expected behavior

No segmentation fault

Is this a regression? If it is, put the last known working version (or commit) here.

Not a regression

Environment

• CUDA Quantum version: Latest
• Python version: Python 3.10.12
• C++ compiler: g++ (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0
• Operating system: Ubuntu with Docker on MacOS

Suggestions

No response

[ikkoham]

yes, it's python's issue.

#include <cudaq.h>

int main() {
  for (auto i = 0; i < 10000000; i++) {
    auto kernel = []() __qpu__ {};
    auto counts = cudaq::sample(kernel);
  }
}

works well.