March 26, 2019
https://issues.dlang.org/show_bug.cgi?id=19764

          Issue ID: 19764
           Summary: Mutable data passed to _d_assert_fail
           Product: D
           Version: D2
          Hardware: All
               URL: https://forum.dlang.org/post/gwhsgdpodmatjdnubvrp@foru
                    m.dlang.org
                OS: All
            Status: NEW
          Keywords: diagnostic
          Severity: normal
          Priority: P1
         Component: druntime
          Assignee: nobody@puremagic.com
          Reporter: dfj1esp02@sneakemail.com

When compiled with -checkaction=context
---
void f()
{
    char[] a;
    assert(a=="0");
}
---
Error: template instance `object._d_assert_fail!("==", char[], string)` error
instantiating

--