On 17/07/2020 12:35, Alex Peshkoff via Firebird-devel wrote: > Not sure about VC - but fresh enough (at least 8.x) gcc often produces > the following warning (exact reason certainly differs): > > /usr/home/firebird/B3_0_Release/src/jrd/trace/../../jrd/trace/../../dsql/../jrd/val.h:154:39: > warning: ‘void* memset(void*, int, size_t)’ clearing an object of > non-trivial type ‘struct Jrd::impure_value’; use assignment or > value-initialization instead [-Wclass-memaccess] > memset(&*impure, 0, sizeof(*impure)); > It must have undefined behavior accordingly to the standard.
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