clang/test/Parser/cxx2b-lambdas-ext-warns.cpp

   1 // RUN: %clang_cc1 -std=c++20 %s -verify=cxx20
   2 // RUN: %clang_cc1 -std=c++23 %s -verify=cxx23
   3 // RUN: %clang_cc1 -std=c++23 -Wpre-c++23-compat %s -verify=precxx23
   4 // RUN: %clang_cc1 -std=c++23 -pedantic %s -verify=cxx23
   5
   6 //cxx23-no-diagnostics
   7
   8 auto L1 = [] constexpr {};
   9 // cxx20-warning@-1 {{lambda without a parameter clause is a C++23 extension}}
  10 auto L2 = []() static {};
  11 // cxx20-warning@-1 {{static lambdas are a C++23 extension}}
  12 // precxx23-warning@-2 {{static lambdas are incompatible with C++ standards before C++23}}
  13 auto L3 = [] static {};
  14 // cxx20-warning@-1 {{lambda without a parameter clause is a C++23 extension}}
  15 // cxx20-warning@-2 {{static lambdas are a C++23 extension}}
  16 // precxx23-warning@-3 {{static lambdas are incompatible with C++ standards before C++23}}