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nfc_t2t_lib_gcc.a exports .stack and .heap sections

Hi,

Migration to nRF5_SDK_12.0.0_12f24da has broken build of some our projects at link stage (region RAM overflowed with stack). During investigation I found that nfc_t2t_lib_gcc.a exports .stack and .heap sections, 8192 bytes each, when for my understanding it should not /* :) */.

The library also exports ResetVector, SystemInit and other startup-related functions. It is not clear if the library's version of SystemInit contains something important in addition to the one from nrf/components/toolchain/system_nrf52.c

With best regards,

Dmitry

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