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27b798fa4f
As far as I can tell this is not raised by any released GCC versions.
Clang 13 on the other hand warns about it due to implicit-int-conversion
warning which is automatically enabled together with Wconversion. The
problem is relatively simple, shifting access_t value does not always
produce result which is also of access_t type. For example, if access_t
is uint16_t, shifting it will produce integer result. This can be
observed even with GCC. Building the following C++ example will fail:
#include <type_traits>
#include <stdint.h>
int test() {
uint16_t a = 0xabcd;
static_assert(std::is_same_v<decltype(a<<1), uint16_t>);
return 0;
}
Changing uint16_t in the static_assert to int, will allow the code to
build.
Make such int to access_t implicit conversion explicit to allow the code
to be compiled with both GCC and clang.
Issue #4354
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| .. | ||
| arg_string.h | ||
| array.h | ||
| attempt.h | ||
| avl_string.h | ||
| avl_tree.h | ||
| bit_allocator.h | ||
| bit_array.h | ||
| construct_at.h | ||
| fifo.h | ||
| flex_iterator.h | ||
| interface.h | ||
| list_model.h | ||
| list.h | ||
| meta.h | ||
| misc_math.h | ||
| mmio.h | ||
| noncopyable.h | ||
| print_lines.h | ||
| reconstructible.h | ||
| register_set.h | ||
| register.h | ||
| retry.h | ||
| string.h | ||
| token.h | ||
| touch.h | ||
| xml_generator.h | ||
| xml_node.h | ||