https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82558
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-10-15
Ever confirmed|0 |1
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 /tmp % cat test.cpp
#include <vector>
int main() {
std::vector<bool> bv;
std::fill(bv.begin(), bv.end(), false);
}
markus@x4 /tmp % g++ -fsanitize=undefined test.cpp
markus@x4 /tmp % ./a.out
/home/markus/tmp/cache/gcc_test/usr/local/include/c++/8.0.0/bits/stl_bvector.h:396:36:
runtime error: shift exponent 64 is too large for 64-bit type 'long unsigned
int'
/home/markus/tmp/cache/gcc_test/usr/local/include/c++/8.0.0/bits/stl_bvector.h:402:12:
runtime error: load of null pointer of type '_Bit_type'
[1] 24985 segmentation fault ./a.out
