4018317407
Fixes #92196 https://eel.is/c++draft/macro.names#2 > A translation unit shall not #define or #undef names lexically identical to keywords, to the identifiers listed in Table [4](https://eel.is/c++draft/lex.name#tab:lex.name.special), or to the [attribute-token](https://eel.is/c++draft/dcl.attr.grammar#nt:attribute-token)s described in [[dcl.attr]](https://eel.is/c++draft/dcl.attr), except that the names likely and unlikely may be defined as function-like macros ([[cpp.replace]](https://eel.is/c++draft/cpp.replace))[.](https://eel.is/c++draft/macro.names#2.sentence-1)
C language Family Front-end
Welcome to Clang.
This is a compiler front-end for the C family of languages (C, C++ and Objective-C) which is built as part of the LLVM compiler infrastructure project.
Unlike many other compiler frontends, Clang is useful for a number of things beyond just compiling code: we intend for Clang to be host to a number of different source-level tools. One example of this is the Clang Static Analyzer.
If you're interested in more (including how to build Clang) it is best to read the relevant websites. Here are some pointers:
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Information on Clang: http://clang.llvm.org/
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Building and using Clang: http://clang.llvm.org/get_started.html
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Clang Static Analyzer: http://clang-analyzer.llvm.org/
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Information on the LLVM project: http://llvm.org/
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If you have questions or comments about Clang, a great place to discuss them is on the Clang forums:
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If you find a bug in Clang, please file it in the LLVM bug tracker: