This program makes valgrind complain about an invalid read in strtod

valgrind_strtod.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gnu/libc-version.h>

int main(void) {
    char *endp;
    char *str = strdup("id");
    double ld;
    puts (gnu_get_libc_version ());
    ld = strtod(str, &endp);
    free(str);
    return ld==0;
}