Fixes PSRAM issues, volatile loads with -O2, std::locale, C++ exception crashs, FDE sorting switchable; Includes a 64-bit toolchain for Windows (win64); Closes https://github.com/espressif/esp-idf/issues/5090 Closes https://github.com/espressif/esp-idf/issues/5112 Closes https://github.com/espressif/esp-idf/issues/5150
Closes https://github.com/espressif/esp-idf/issues/3694
Adds support of POSIX libs like regex.h closes https://github.com/espressif/esp-idf/issues/2407 closes https://github.com/espressif/esp-idf/issues/4257 ref https://github.com/espressif/esp-idf/issues/271 Also there are some changes in the toolchain's changelog
Closes https://github.com/espressif/esp-idf/issues/1445 (std::to_string) Closes https://github.com/espressif/esp-idf/issues/1876 (std::chrono_steady_clock) Closes https://github.com/espressif/esp-idf/issues/1995 (std::timed_mutex) Closes https://github.com/espressif/esp-idf/issues/2149 (addr2line) Closes https://github.com/espressif/esp-idf/issues/2308 (lsiu/lsip) Closes https://github.com/espressif/esp-idf/issues/2449 (c++17) Closes https://github.com/espressif/esp-idf/issues/3258 (objdump)