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view clang/test/Preprocessor/macro_paste_hard.c @ 237:c80f45b162ad llvm-original

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add some fix
author kono
date Wed, 09 Nov 2022 17:47:54 +0900
parents 1d019706d866
children
line wrap: on
line source

// RUN: %clang_cc1 -E %s | grep '1: aaab 2'
// RUN: %clang_cc1 -E %s | grep '2: 2 baaa'
// RUN: %clang_cc1 -E %s | grep '3: 2 xx'

#define a(n) aaa ## n
#define b 2
1: a(b b)   // aaab 2    2 gets expanded, not b.

#undef a
#undef b
#define a(n) n ## aaa
#define b 2
2: a(b b)   // 2 baaa    2 gets expanded, not b.

#define baaa xx
3: a(b b)   // 2 xx