https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115048
Bug ID: 115048
Summary: warning "operator delete called on pointer '<unknown>'
with nonzero offset"
Product: gcc
Version: 14.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: urisimchoni at gmail dot com
Target Milestone: ---
Compiling the following code with gcc 14.1.0 and -O3 yields the warning:
/opt/compiler-explorer/gcc-14.1.0/include/c++/14.1.0/bits/new_allocator.h:172:33:
warning: 'void operator delete(void*, std::size_t)' called on pointer
'<unknown>' with nonzero offset [1, 2147483647] [-Wfree-nonheap-object]
<begin code>
#include <vector>
std::vector<char> get_vec(int extra)
{
std::vector<char> res;
res.reserve(extra);
res.push_back(7);
return res;
}
<end code>
See also https://godbolt.org/z/rPr7KEhYa
This does not happen with 13.2.0, and does happen with trunk (according to
compiler explorer)
