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Incorrect treatment of consecutive ## operators #378

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chrchr-github opened this issue Oct 13, 2024 · 0 comments
Open

Incorrect treatment of consecutive ## operators #378

chrchr-github opened this issue Oct 13, 2024 · 0 comments

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@chrchr-github
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From llvm/llvm-project#112122:

#define FOO(a, b, c) a ## b ## c, a ## ## c
FOO (x, , y)
FOO (x, 42, y)

Output:

xy  , x# "y"
x42y  , x# "y"

This diverges from both gcc and clang.
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