[Issue 18955] extern(C++) default struct mangling is overridden when interacting with a `cppmangle = class` template

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18955

--- Comment #8 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/dlang/dmd

https://github.com/dlang/dmd/commit/768198c87f562de08c3dfb8b1d32ace9287d1617
Fix Issue 18955 - extern(C++) default struct mangling is overridden when
interacting with a cppmangle = class template

https://github.com/dlang/dmd/commit/51c1138fae497b11f05890413ec9e323d2948bee
Merge pull request #8631 from JinShil/fix_18955

Fix Issue 18955 - extern(C++) default struct mangling is overridden when
interacting with a cppmangle = class template

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