Tpetra: workarounds to compiler bug in #8047 #8083
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@trilinos/tpetra
Motivation
Apparently some gcc compilers with std=c++14 don't handle usage of const variables inside lambda expressions well.
See details in #8047 and kokkos/kokkos-kernels#349
This PR works around such errors in three cases. I remove the const specification from variables used inside the lambdas.
A better solution would have been to rewrite the code not to use lambdas (the same can be said for #8031). The lambdas aren't in a parallel_for; they are just for convenience. This code is primarily test code, though, so it didn't seem worth the time to rewrite.
Related Issues
Stakeholder Feedback
@ZUUL42 Let me know whether this works for you.
Testing
Compiled Tpetra on ride with Trilinos' PR CUDA build and extra CMake instructions to set std=c++14 (see #8047 for details).
Confirmed failure without this PR's changes and success with the PR's changes.