https://bugs.llvm.org/show_bug.cgi?id=41017
Bug ID: 41017
Summary: Build failure with _LIBCPP_DEBUG=0 and non-const-ref
comparator for std::sort()
Product: libc++
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
libc++ version is close to ToT:
https://chromium.googlesource.com/chromium/llvm-project/libcxx/+/9ae8fb4a3c5fef4e9d41e97bbd9397a412932ab0
Building the below program with libc++ succeeds, but fails when
-D_LIBCPP_DEBUG=0 is used (build failure: https://godbolt.org/z/AOroMY).
Changing "int&" to "const int&" gets rid of the error. The build should either
succeed or fail in both configurations.
#include <algorithm>
#include <vector>
int main() {
std::vector<int> v;
std::sort(v.begin(), v.end(), [](int& i1, int& i2) {
return false;
});
}
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