release/15.x 37007475ca1b345b4c5d340e228bcd7a62732d81
llvm commit b2851aea80e5a8f0cfd6c3c5a56a6b00fb28c6b6
upstream commit 1931d3cb20a00da732c5210b123656632982fde0
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging