tried to build several times, even retried a build that earlier completed, get error:
c:/users/tom/.platformio/packages/toolchain-gccarmnoneeabi@1.90201.191206/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: cannot find @C:\WINDOWS\TEMP\ccB5W2Go: Invalid argument
c:/users/tom/.platformio/packages/toolchain-gccarmnoneeabi@1.90201.191206/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: cannot find @C:\WINDOWS\TEMP\ccAyZc5s: Invalid argument