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3e77bfb6e9
See testcase. We must always paste tokens (at least if not currently substing a normal argument, which is a speed optimization only now) but at the same time must not regard a ## token coming from argument expansion as the token-paste operator, nor if we constructed a ## token due to pasting itself (that was already checked by pp/01.c).
15 lines
289 B
C
15 lines
289 B
C
#define STR1(u) # u
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#define pass(a) a
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#define __ASM_REG(reg) STR1(one##reg)
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#define _ASM_DX __ASM_REG(tok)
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X162 pass(__ASM_REG(tok))
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X161 pass(_ASM_DX)
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X163 pass(STR1(one##tok))
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X170 pass(x ## y)
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X171 pass(x pass(##) y)
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#define Y(x) Z(x)
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#define X Y
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X180 return X(X(1));
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