[Bug c++/99426] New: [modules] failed to read compiled module cluster 1186: Bad file data

["alexander.lelyakin at googlemail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99426

            Bug ID: 99426
           Summary: [modules] failed to read compiled module cluster 1186:
                    Bad file data
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: alexander.lelyakin at googlemail dot com
  Target Milestone: ---

g++ -std=c++20 -fmodules-ts -x c++-system-header exception
g++ -std=c++20 -fmodules-ts -x c++-system-header stack
g++ -std=c++20 -fmodules-ts -x c++-system-header cuchar
g++ -std=c++20 -fmodules-ts -x c++-system-header cstdalign
g++ -std=c++20 -fmodules-ts -x c++-system-header ios
g++ -std=c++20 -fmodules-ts -x c++-system-header unordered_set
g++ -std=c++20 -fmodules-ts -x c++-system-header cerrno
g++ -std=c++20 -fmodules-ts -x c++-system-header cstdbool
g++ -std=c++20 -fmodules-ts -x c++-system-header cstddef
g++ -std=c++20 -fmodules-ts -x c++-system-header fstream
g++ -std=c++20 -fmodules-ts -x c++-system-header queue
g++ -std=c++20 -fmodules-ts -x c++-system-header latch
g++ -std=c++20 -fmodules-ts -x c++-system-header sstream
g++ -std=c++20 -fmodules-ts -x c++-system-header cwchar
g++ -std=c++20 -fmodules-ts -x c++-system-header semaphore
g++ -std=c++20 -fmodules-ts -x c++-system-header type_traits
g++ -std=c++20 -fmodules-ts -x c++-system-header cstdint
g++ -std=c++20 -fmodules-ts -x c++-system-header locale
g++ -std=c++20 -fmodules-ts -x c++-system-header iomanip
----
In module imported at /usr/local/include/c++/11.0.1/iomanip:43:1:
/usr/local/include/c++/11.0.1/locale: error: failed to read compiled module
cluster 1186: Bad file data
/usr/local/include/c++/11.0.1/locale: note: compiled module file is
‘gcm.cache/./usr/local/include/c++/11.0.1/locale.gcm’
In file included from /usr/local/include/c++/11.0.1/string:55,
                 from /usr/local/include/c++/11.0.1/bits/locale_classes.h:40,
                 from /usr/local/include/c++/11.0.1/bits/ios_base.h:41,
                 from /usr/local/include/c++/11.0.1/iomanip:40:
/usr/local/include/c++/11.0.1/bits/basic_string.h:6608:54: fatal error: failed
to load pendings for ‘__gnu_cxx::__stoa’
 6608 |                                         __idx, __base); }
      |                                                      ^
compilation terminated.