28 lines
458 B
C
28 lines
458 B
C
// Test the GNU comma swallowing extension.
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// RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s
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// CHECK: 1: foo{A, }
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#define X(Y) foo{A, Y}
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1: X()
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// CHECK: 2: fo2{A,}
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#define X2(Y) fo2{A,##Y}
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2: X2()
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// should eat the comma.
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// CHECK: 3: {foo}
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#define X3(b, ...) {b, ## __VA_ARGS__}
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3: X3(foo)
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// PR3880
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// CHECK: 4: AA BB
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#define X4(...) AA , ## __VA_ARGS__ BB
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4: X4()
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// PR7943
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// CHECK: 5: 1
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#define X5(x,...) x##,##__VA_ARGS__
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5: X5(1)
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