clang/test/SemaCXX/c99-variable-length-array-cxx11.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wvla-extension %s
   2 struct StillPOD {
   3   StillPOD() = default;
   4 };
   5
   6 struct StillPOD2 {
   7   StillPOD np;
   8 };
   9
  10 struct NonPOD {
  11   NonPOD(int) {}
  12 };
  13
  14 struct POD {
  15   int x;
  16   int y;
  17 };
  18
  19 // We allow VLAs of POD types, only.
  20 void vla(int N) { // expected-note 5{{here}}
  21   int array1[N]; // expected-warning{{variable length arrays are a C99 feature}} expected-note {{parameter 'N'}}
  22   POD array2[N]; // expected-warning{{variable length arrays are a C99 feature}} expected-note {{parameter 'N'}}
  23   StillPOD array3[N]; // expected-warning{{variable length arrays are a C99 feature}} expected-note {{parameter 'N'}}
  24   StillPOD2 array4[N][3]; // expected-warning{{variable length arrays are a C99 feature}} expected-note {{parameter 'N'}}
  25   NonPOD array5[N]; // expected-error{{no matching constructor for initialization of 'NonPOD[N]'}}
  26   // expected-warning@-1{{variable length arrays are a C99 feature}} expected-note@-1 {{parameter 'N'}}
  27   // expected-note@-16{{candidate constructor not viable}}
  28   // expected-note@-18{{candidate constructor (the implicit copy constructor) not viable}}
  29   // expected-note@-19{{candidate constructor (the implicit move constructor) not viable}}
  30 }