[Bug c++/116914] [15 regression] ICE when building plasma-nm-6.1.5 (gimplify_var_or_parm_decl, at gimplify.cc:3309) with -std=gnu++20

[iains at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116914

Iain Sandoe <iains at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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             Status|NEW                         |ASSIGNED

--- Comment #17 from Iain Sandoe <iains at gcc dot gnu.org> ---
*sigh*

OK .. so coming full circle here... (gnu++20 is the key)

1. this is fixed by patches in my stack
2. the PR116506/800 thing is not it
3. as I originally suspected, it is likely fallout from new uses of STMT_EXPR
in the FE (and therefore related to pr115851)