https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86369
Bug ID: 86369
Summary: constexpr const char* comparison fails
Product: gcc
Version: 8.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: linuxfever at yahoo dot gr
Target Milestone: ---
The following snippet seems to produce contradictory results when comparing
const char* pointers in a constexpr expression:
constexpr auto name1() {
return "test1";
}
constexpr auto name2() {
return "test2";
}
int main() {
constexpr auto b1 = (name1() == name1()); // compiles cleanly
constexpr auto b2 = (name1() == name2()); // doesn't compile
}
This may be related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71448, but
not sure as the latter is meant to be fixed.
I've tried other GCC versions here and all seem to fail:
https://godbolt.org/g/8KwV2g
