File: trigraphs.cpp

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llvm-toolchain-19 1%3A19.1.7-3
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// RUN: %clang_cc1 -DSTDCPP11 -std=c++11 -verify -fsyntax-only %s
// RUN: %clang_cc1 -DSTDGNU11 -std=gnu++11 -verify -fsyntax-only %s
// RUN: %clang_cc1 -DSTDGNU11TRI -ftrigraphs -std=gnu++11 -verify -fsyntax-only %s
// RUN: %clang_cc1 -DSTDCPP17 -std=c++1z -verify -fsyntax-only %s
// RUN: %clang_cc1 -DSTDCPP17TRI -ftrigraphs -std=c++1z -verify -fsyntax-only %s
// RUN: %clang_cc1 -DMSCOMPAT -fms-compatibility -std=c++11 -verify -fsyntax-only %s
// RUN: %clang_cc1 -DNOTRI -fno-trigraphs -verify -fsyntax-only %s

void foo() {
#if defined(NOFLAGS) || defined(STDCPP11) || defined(STDGNU11TRI) || \
    defined(STDCPP17TRI) || (defined(__MVS__) && !defined(NOTRI))
  const char c[] = "??/n"; // expected-warning{{trigraph converted to '\' character}}
#elif defined(STDGNU11) || defined(STDCPP17) || defined(MSCOMPAT) || \
    defined(NOTRI)
  const char c[] = "??/n"; // expected-warning{{trigraph ignored}}
#else
#error Not handled.
#endif
}