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#__include_macros) in the arguments of a function-style macro. Directives in the arguments of such macros have undefined behaviour, and GCC does not correctly support these cases. In some situations, this can lead to better diagnostics. llvm-svn: 146765
21 lines
586 B
C
21 lines
586 B
C
// RUN: %clang_cc1 %s -fsyntax-only -verify
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// header1.h
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void fail(const char *);
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#define MUNCH(...) \
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({ int result = 0; __VA_ARGS__; if (!result) { fail(#__VA_ARGS__); }; result })
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static inline int f(int k) {
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return MUNCH( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{returning 'void'}}
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if (k < 3)
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result = 24;
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else if (k > 4)
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result = k - 4;
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}
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#include "macro_arg_directive.h" // expected-error {{embedding a #include directive within macro arguments is not supported}}
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int g(int k) {
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return f(k) + f(k-1));
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}
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