18 lines
354 B
C
18 lines
354 B
C
// RUN: %clang_cc1 -E %s | grep '1: aaab 2'
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// RUN: %clang_cc1 -E %s | grep '2: 2 baaa'
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// RUN: %clang_cc1 -E %s | grep '3: 2 xx'
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#define a(n) aaa ## n
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#define b 2
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1: a(b b) // aaab 2 2 gets expanded, not b.
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#undef a
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#undef b
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#define a(n) n ## aaa
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#define b 2
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2: a(b b) // 2 baaa 2 gets expanded, not b.
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#define baaa xx
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3: a(b b) // 2 xx
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