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authorJoshua Nelson <jyn514@gmail.com>2020-08-31 00:04:01 -0400
committerJoshua Nelson <jyn514@gmail.com>2020-09-01 08:34:17 -0400
commitbe2947d0b7cc7fb13601c41676285bb3f6d548c3 (patch)
tree6e72374ad3961a868cc46fca684cd71c04dbe313 /compiler/rustc_codegen_llvm/src
parent022e1fe235ec40248cd8f6b5ba8f37d7e14d656e (diff)
downloadrust-be2947d0b7cc7fb13601c41676285bb3f6d548c3.tar.gz
rust-be2947d0b7cc7fb13601c41676285bb3f6d548c3.zip
Give a better error message for duplicate built-in macros
Previously, this would say no such macro existed, but this was
misleading, since the macro _did_ exist, it was just already seen.

- Say where the macro was previously defined
- Add long-form error message
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
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