[clang] [clang] Inject IndirectFieldDecl even if name conflicts. (PR #153140)

[Erich Keane via cfe-commits]

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@@ -74,6 +74,7 @@ AST Dumping Potentially Breaking Changes
 
 Clang Frontend Potentially Breaking Changes
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+- Members of anonymous unions/structs are now injected as ``IndirectFieldDecl`` into the enclosing record even if their names conflict with other names in the scope. These ``IndirectFieldDecl`` are marked invalid.
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erichkeane wrote:

This probably needs 80 character word-wrap?  Though I know format doesn't really do stuff in rst files.

https://github.com/llvm/llvm-project/pull/153140