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Suppress C4267 "possible loss of data" warnings Suppress C4267 "possible loss of data" warnings Just cast down explicitly. win32ole: separate global variable declarations and definitions https://gcc.gnu.org/gcc-10/changes.html#c > * GCC now defaults to `-fno-common`. As a result, global > variable accesses are more efficient on various targets. In > C, global variables with multiple tentative definitions now > result in linker errors. With `-fcommon` such definitions are > silently merged during linking.