[Issue 18481] New: demangling error in stacktrace

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18481

          Issue ID: 18481
           Summary: demangling error in stacktrace
           Product: D
           Version: D2
          Hardware: x86
                OS: Mac OS X
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: timothee.cour2 at gmail.com

dmd --version
DMD64 D Compiler v2.079.0-beta.1-54-g670d0ad29-dirty

see reproducing test case in https://issues.dlang.org/show_bug.cgi?id=18480:
all symbols are demangled except for
D3dmd6access19mostVisibleOverloadFCQBi7dsymbol7DsymbolZQv
at frame #!

--