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This series contains a couple of C++ fixes, one for C++20, the other for
stricter template compile checks in g++14.

gcc 10 in C++20 mode requires that the allocator type match
the type used to allocate, so do that by adding "const" to the
key type.
These const specifiers were ignored by older versions of gcc, likely
because they are in template members that are not instantiated. gcc 14
refuses to compile the class.

Fix by removing the const specifiers. This is safe since these members
are private, so we aren't allowing external users permissions to
modify them.
@hubert-reinterpretcast
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Considering that actually using the copy constructor or copy assignment operator for CyclicDFA would have failed, maybe removing the definitions for them is a minimal fix (that does not risk changing ABI compatibility)?

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2 participants