/usr/lib/gcc/arm-linux-gnueabihf/4.6/include/objc/deprecated/objc_valloc.h is in gobjc-4.6-arm-linux-gnueabihf 4.6.3-1ubuntu5cross1.63.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | void *
objc_valloc(size_t size);
|