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Niels Lohmann 74aefc3486 Move custom object key tests out of unit-cbor.cpp and unit-msgpack.cpp (#5798)
The custom object key tests from #5328 instantiate a second basic_json
specialization in unit-cbor.cpp and unit-msgpack.cpp. This pushed
unit-msgpack.cpp.obj past 65535 sections in the clang (MinGW) jobs of
the Windows workflow, and linking test-msgpack_cpp11 fails with
"relocation truncated to fit: IMAGE_REL_AMD64_REL32 against `.rdata'".

The GNU linker keeps the section an associative COMDAT section belongs
to in 16 bits (x_associated in include/coff/internal.h), although big
object files store 32 bits. In larger objects it therefore ties the
jump tables of inline functions to the wrong function and discards them
together with that function's duplicate.

Move the four tests unchanged into unit-custom-object-key-type.cpp and
document the limit in windows.yml.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-10 00:05:02 +02:00
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