Newer versions of libc++ has dropped supporting this usecase since its
an UB see.
https://reviews.llvm.org/D114920?id=400571
Fixes
uniform_int_distribution.h:162:5: error: static assertion failed due to requirement '__libcpp_random_is_valid_inttype<char>::value': IntType must be a supported integer type
static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type");
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/mnt/b/yoe/master/build/tmp/work/core2-64-yoe-linux-musl/libcereal/1.3.2+gitAUTOINC+ebef1e9298-r0/git/sandbox/performance.cpp:261:9: note: in instantiation of template class 'std::uniform_int_distribution<char>' requested here
c = std::uniform_int_distribution<char>(' ', '~')(gen);
^
/mnt/b/yoe/master/build/tmp/work/core2-64-yoe-linux-musl/libcereal/1.3.2+gitAUTOINC+ebef1e9298-r0/git/sandbox/performance.cpp:261:9: error: type 'std::uniform_int_distribution<char>' does not provide a call operator
c = std::uniform_int_distribution<char>(' ', '~')(gen);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
Signed-off-by: Khem Raj <raj.khem@gmail.com>
