The correct subject should be more like
c++: Handle TYPE_PACK_EXPANSION in cxx_incomplete_type_diagnostic [PR95672]

See git log --oneline for examples.

On Tue, Jun 23, 2020 at 03:11:44PM -0400, Nicholas Krause via Gcc-patches wrote:
> From: Nicholas Krause <xerofo...@gmail.com>
> 
> This fixs the PR95672 by adding the missing TYPE_PACK_EXPANSION case in

"fixes"

> cxx_incomplete_type_diagnostic in order to avoid ICES on diagnosing
> incomplete template pack expansion cases. In v2, add the missing required
> test case for all new patches. v3 Fixes both the test case to compile in
> C++11 mode and the message to print out only the type. v4 fixes the testcase
> to only target C++11. v5 and v6 fix the test case properly. v7 fixes running

...running what?

> gcc/cp/ChangeLog:
> 
>       * typeck2.c (cxx_incomplete_type_diagnostic):Add missing 
>           TYPE_EXPANSION_PACK check for diagnosicing incomplete 
>         types in cxx_incomplete_type_diagnostic.

This still won't pass git gcc-verify and we've already told you twice
that the correct term is "diagnosing".  Missing space after ':'.  The
ChangeLog entry also misses "PR c++/95672".

You never mentioned how the patch was tested.

Marek

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