[Bug other/61233] New: Demangler crash

[gbenson at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61233

            Bug ID: 61233
           Summary: Demangler crash
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gbenson at redhat dot com

The demangler crashes when given this symbol:

_Z7ZipWithI7QStringS0_5QListZN4oral6detail16AdaptCreateTableI7AccountEES0_RKNS3_16CachedFieldsDataEEUlRKS0_SA_E_ET1_IDTclfp1_cvT__EcvT0__EEEERKT1_ISC_ERKT1_ISD_ET2_

See https://sourceware.org/bugzilla/show_bug.cgi?id=16957