Bug 21941 – dtoh:Warning about keyword identifiers should include C extensions

See link for list of current keywords: https://github.com/dlang/dmd/blob/abc23d1126605957f663b5f43a719394e32985a0/src/dmd/dtoh.d#L439 I didn't anticipate anyone would add a enum member named __attribute__. https://github.com/dlang/dmd/blob/abc23d1126605957f663b5f43a719394e32985a0/src/dmd/tokens.d#L294

@MoonlightSentinel created dlang/dmd pull request #12707 "Issue 21941 - Extend the list of reserved words for dtoh:" mentioning this issue: - Issue 21941 - Extend the list of reserved words for dtoh: Adds several entries regarding C(++) keywords, extensions and default macros provided by gcc and clang. Doesn't "fix" the issue because the list is confined to common keywords and not an exhaustive list of all possible extensions. https://github.com/dlang/dmd/pull/12707

dlang/dmd pull request #12707 "Issue 21941 - Extend the list of reserved words for dtoh" was merged into master: - a9e531ba376967510c079af19d76b42699a20ac4 by MoonlightSentinel: Issue 21941 - Extend the list of reserved words for dtoh Adds several entries regarding C(++) keywords, extensions and default macros provided by gcc and clang. Also rejects all identifiers starting with __ because those are reserved by C++ compilers Doesn't "fix" the issue because the list is confined to common keywords and not an exhaustive list of all possible extensions. https://github.com/dlang/dmd/pull/12707

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