[llvm-branch-commits] [clang] release/18.x: Backport PR86914 "Fix a CTAD regression after 42239d2e9" (PR #87084)

[Tom Stellard via llvm-branch-commits]

tstellar wrote:

@zyn0217 (or anyone else). If you would like to add a note about this fix in the release notes (completely optional). Please reply to this comment with a one or two sentence description of the fix.

https://github.com/llvm/llvm-project/pull/87084