test/Preprocessor/macro_expand.c


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// RUN: clang-cc -E %s | grep '^A: Y$' &&
// RUN: clang-cc -E %s | grep '^B: f()$' &&
// RUN: clang-cc -E %s | grep '^C: for()$'

#define X() Y
#define Y() X

A: X()()()

// PR3927
#define f(x) h(x
#define for(x) h(x
#define h(x) x()
B: f(f))
C: for(for))