clang/test/Frontend/trigraphs.cpp

   1 // RUN: %clang_cc1 -DSTDCPP11 -std=c++11 -verify -fsyntax-only %s
   2 // RUN: %clang_cc1 -DSTDGNU11 -std=gnu++11 -verify -fsyntax-only %s
   3 // RUN: %clang_cc1 -DSTDGNU11TRI -ftrigraphs -std=gnu++11 -verify -fsyntax-only %s
   4 // RUN: %clang_cc1 -DSTDCPP17 -std=c++1z -verify -fsyntax-only %s
   5 // RUN: %clang_cc1 -DSTDCPP17TRI -ftrigraphs -std=c++1z -verify -fsyntax-only %s
   6 // RUN: %clang_cc1 -DMSCOMPAT -fms-compatibility -std=c++11 -verify -fsyntax-only %s
   7 // RUN: %clang_cc1 -DNOTRI -fno-trigraphs -verify -fsyntax-only %s
   8
   9 void foo() {
  10 #if defined(NOFLAGS) || defined(STDCPP11) || defined(STDGNU11TRI) || \
  11     defined(STDCPP17TRI) || (defined(__MVS__) && !defined(NOTRI))
  12   const char c[] = "??/n"; // expected-warning{{trigraph converted to '\' character}}
  13 #elif defined(STDGNU11) || defined(STDCPP17) || defined(MSCOMPAT) || \
  14     defined(NOTRI)
  15   const char c[] = "??/n"; // expected-warning{{trigraph ignored}}
  16 #else
  17 #error Not handled.
  18 #endif
  19 }