[upstream] blktests: discontiguous-io.cpp:92:24: error: ‘uintptr_t’ was not declared in this scope

Snippet of test failure

ake[1]: Entering directory '/mnt/tests/gitlab.com/redhat/centos-stream/tests/kernel/kernel-tests/-/archive/main/kernel-tests-main.zip/storage/blktests/nvme/nvme-tcp/blktests/src'
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o loblksize loblksize.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o loop_change_fd loop_change_fd.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o loop_get_status_null loop_get_status_null.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o mount_clear_sock mount_clear_sock.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o nbdsetsize nbdsetsize.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o openclose openclose.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o sg/dxfer-from-dev sg/dxfer-from-dev.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o sg/syzkaller1 sg/syzkaller1.c
cc  -O2 -Wall -Wshadow  -DHAVE_LINUX_BLKZONED_H -o zbdioctl zbdioctl.c
g++  -O2 -std=c++11 -Wall -Wextra -Wshadow -Wno-sign-compare -Werror  -DHAVE_LINUX_BLKZONED_H -o discontiguous-io discontiguous-io.cpp
discontiguous-io.cpp: In function ‘void dumphex(std::ostream&, const void*, size_t)’:
discontiguous-io.cpp:92:24: error: ‘uintptr_t’ was not declared in this scope
   92 |                    << (uintptr_t)a + i << ':';
      |                        ^~~~~~~~~
discontiguous-io.cpp:15:1: note: ‘uintptr_t’ is defined in header ‘<cstdint>’; did you forget to ‘#include <cstdint>’?
   14 | #include <vector>
  +++ |+#include <cstdint>
   15 | 
discontiguous-io.cpp:97:43: error: ‘uint8_t’ was not declared in this scope
   97 |                            << (unsigned)((uint8_t*)a)[j];
      |                                           ^~~~~~~

Test logs on DataWarehouse

https://datawarehouse.cki-project.org/kcidb/tests/6808615

DataWarehouse issue

https://datawarehouse.cki-project.org/issue/1851

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