Memory deallocation warning in `gate_appl.h` during compilation

[mhucka]

Describe the issue

On Debian Linux 6.2 with g++ 14, running make tests generates some memory allocation warnings:

g++ decide/decide.cpp -o ../qsimcirq/qsim_decide.cpython-311-x86_64-linux-gnu.so -O3 -std=c++17 -fopenmp -flto=auto -Wall -shared -std=c++17 -fPIC -I/usr/local/google/home/mhucka/.pyenv/versions/3.11.9/include/python3.11 -I/usr/local/google/home/mhucka/.pyenv/versions/qsim-py311/lib/python3.11/site-packages/pybind11/include
In member function ‘deallocate’,
    inlined from ‘deallocate’ at /usr/include/c++/14/bits/alloc_traits.h:550:23,
    inlined from ‘_M_deallocate’ at /usr/include/c++/14/bits/stl_vector.h:389:19,
    inlined from ‘__dt_base ’ at /usr/include/c++/14/bits/stl_vector.h:368:15,
    inlined from ‘__dt_base ’ at /usr/include/c++/14/bits/stl_vector.h:738:7,
    inlined from ‘ApplyFusedGate’ at basic/../../lib/gate_appl.h:227:1,
    inlined from ‘Run.isra’ at basic/../../lib/run_qsim.h:130:26:
/usr/include/c++/14/bits/new_allocator.h:172:33: warning: ‘operator delete’ called on pointer ‘discarded_results.D.5631._M_impl.D.5625._M_finish’ with nonzero offset 48 [-Wfree-nonheap-object]
  172 |         _GLIBCXX_OPERATOR_DELETE(_GLIBCXX_SIZED_DEALLOC(__p, __n));
      |                                 ^

Tell us how to reproduce the issue

No response

Tell us the version of qsim or qsimcirq (if relevant)

0.23.0.dev0

Tell us the computing environment (if relevant)

Debian Linux 6.2, GNU make, g++

[mhucka]

Fixed by #937