[llvm-branch-commits] [clang] release/18.x: [clang codegen] Fix MS ABI detection of user-provided constructors. (#90151) (PR #90639)

[Tom Stellard via llvm-branch-commits]

tstellar wrote:

@efriedma-quic (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.  When you are done, please add the release:note label to this PR.


https://github.com/llvm/llvm-project/pull/90639