Fix read of uninitialized bool in cache1 #1610
Merged
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For #1603: Undefined behavior caught by GCC 9 on Ubuntu 20.04 when using
views::cache1
Ensure that cache1's dirty_ member is initialized to avoid UB found by
UBSan:
range-v3-0.11.0/include/range/v3/view/cache1.hpp:35:12: runtime error: load of value 39, which is not a valid value for type 'bool'