[Bug c++/91222] [10 Regression] 507.cactuBSSN_r build fails in warn_types_mismatch at ipa-devirt.c:1006 since r273571

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91222

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #46765|0                           |1
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--- Comment #14 from Jason Merrill <jason at gcc dot gnu.org> ---
Created attachment 46769
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46769&action=edit
clear TYPE_NAME in free_lang_data for extern "C" anonymous types

Here's a more focused variant of my earlier patch.