[Bug gdb/23712] dwarf2read.c:9730: internal-error: void dw2_add_symbol_to_list(symbol*, pending**): Assertion `(*listhead) == NULL || (SYMBOL_LANGUAGE ((*listhead)->symbol[0]) == SYMBOL_LANGUAGE (symbol))' failed

["rguenth at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=23712

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Eventually the assert()s can be weakened to allow "compatible enough" (same
hash, etc.) languages?  I realize that allowing LTO-like mixed language
environments looks like a very much larger change in gdb than I thought.

Though it looks like C and C++ use different symbol hashing...  in fact all but
C++ seem to use default_search_name_hash ...

And what's the issue here?  Just store the hash alongside the entries and then
the "only" issue is that gdb doesn't properly switch languages automatically
(PR23713) so user name lookups might fail spuriously.

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