9f8385f987
During an exp-run for llvm 15 (see bug 265425), it turned out that
lang/gjs failed to build with clang and libc++ 15:
In file included from ../test/gjs-tests.cpp:11:
In file included from /usr/include/c++/v1/random:1689:
In file included from /usr/include/c++/v1/__random/discrete_distribution.h:18:
In file included from /usr/include/c++/v1/numeric:167:
In file included from /usr/include/c++/v1/functional:515:
In file included from /usr/include/c++/v1/__functional/boyer_moore_searcher.h:24:
In file included from /usr/include/c++/v1/array:127:
In file included from /usr/include/c++/v1/algorithm:1851:
In file included from /usr/include/c++/v1/__algorithm/ranges_sample.h:13:
In file included from /usr/include/c++/v1/__algorithm/sample.h:18:
/usr/include/c++/v1/__random/uniform_int_distribution.h:162:5: error: static assertion failed due to requirement '__libcpp_random_is_valid_inttype<char32_t>::value': IntType must be a supported integer type
static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type");
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../test/gjs-tests.cpp:71:16: note: in instantiation of template class 'std::uniform_int_distribution<char32_t>' requested here
return std::uniform_int_distribution<T>(lowest_value)(gen);
^
../test/gjs-tests.cpp:942:30: note: in instantiation of function template specialization 'Gjs::Test::get_random_number<char32_t>' requested here
char32_t random_char32 = get_random_number<char32_t>();
^
This is because std::uniform_int_distribution is only defined for strict
integer types, such as short, int, etc. Use
std::uniform_int_distribution<uint32_t> instead, and cast the result
back to a char32_t.
PR: 268329
Approved by: portmgr (tcberner)
MFH: 2022Q4
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