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// RUN: clang -E %s | grep -F "1: F, (, 'a', 'b', );" && // RUN: clang -E %s | grep -F "2: 'a' + 'b';" #define LPAREN ( #define RPAREN ) #define F(x, y) x + y #define ELLIP_FUNC(...) __VA_ARGS__ 1: ELLIP_FUNC(F, LPAREN, 'a', 'b', RPAREN); /* 1st invocation */ 2: ELLIP_FUNC(F LPAREN 'a', 'b' RPAREN); /* 2nd invocation */