macro_fn_preexpand.c « Preprocessor « test - clang/clang.git - (deprecated) Vendor branches of https://git.llvm.org/git/clang.git , use clang/llvm-project instead.

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path: root/test/Preprocessor/macro_fn_preexpand.c

blob: 1b94c82a2163059560f2d01d5bf2ae842d8732eb (plain)

// RUN: %clang_cc1 %s -E | grep 'pre: 1 1 X'
// RUN: %clang_cc1 %s -E | grep 'nopre: 1A(X)'

/* Preexpansion of argument. */
#define A(X) 1 X
pre: A(A(X))

/* The ## operator disables preexpansion. */
#undef A
#define A(X) 1 ## X
nopre: A(A(X))