Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /external/bsd/llvm/dist/clang/test/SemaCXX/gnu-flags.cpp 
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
// RUN: %clang_cc1 -fsyntax-only -verify %s -DNONE -Wno-gnu
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s -DNONE -Wno-gnu
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -DNONE -Wno-gnu

// RUN: %clang_cc1 -fsyntax-only -verify %s -DALL -Wgnu 
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s -DALL -Wgnu 
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -DALL -Wgnu 

// RUN: %clang_cc1 -fsyntax-only -verify %s -DALL -Wno-gnu \
// RUN:   -Wgnu-anonymous-struct -Wredeclared-class-member \
// RUN:   -Wgnu-flexible-array-union-member -Wgnu-folding-constant \
// RUN:   -Wgnu-empty-struct
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s -DALL -Wno-gnu \
// RUN:   -Wgnu-anonymous-struct -Wredeclared-class-member \
// RUN:   -Wgnu-flexible-array-union-member -Wgnu-folding-constant \
// RUN:   -Wgnu-empty-struct
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -DALL -Wno-gnu \
// RUN:   -Wgnu-anonymous-struct -Wredeclared-class-member \
// RUN:   -Wgnu-flexible-array-union-member -Wgnu-folding-constant \
// RUN:   -Wgnu-empty-struct

// RUN: %clang_cc1 -fsyntax-only -verify %s -DNONE -Wgnu \
// RUN:   -Wno-gnu-anonymous-struct -Wno-redeclared-class-member \
// RUN:   -Wno-gnu-flexible-array-union-member -Wno-gnu-folding-constant \
// RUN:   -Wno-gnu-empty-struct
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s -DNONE -Wgnu \
// RUN:   -Wno-gnu-anonymous-struct -Wno-redeclared-class-member \
// RUN:   -Wno-gnu-flexible-array-union-member -Wno-gnu-folding-constant \
// RUN:   -Wno-gnu-empty-struct
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -DNONE -Wgnu \
// RUN:   -Wno-gnu-anonymous-struct -Wno-redeclared-class-member \
// RUN:   -Wno-gnu-flexible-array-union-member -Wno-gnu-folding-constant \
// RUN:   -Wno-gnu-empty-struct

// Additional disabled tests:
// %clang_cc1 -fsyntax-only -verify %s -DANONYMOUSSTRUCT -Wno-gnu -Wgnu-anonymous-struct
// %clang_cc1 -fsyntax-only -verify %s -DREDECLAREDCLASSMEMBER -Wno-gnu -Wredeclared-class-member
// %clang_cc1 -fsyntax-only -verify %s -DFLEXIBLEARRAYUNIONMEMBER -Wno-gnu -Wgnu-flexible-array-union-member
// %clang_cc1 -fsyntax-only -verify %s -DFOLDINGCONSTANT -Wno-gnu -Wgnu-folding-constant
// %clang_cc1 -fsyntax-only -verify %s -DEMPTYSTRUCT -Wno-gnu -Wgnu-empty-struct

#if NONE
// expected-no-diagnostics
#endif


#if ALL || ANONYMOUSSTRUCT
// expected-warning@+5 {{anonymous structs are a GNU extension}}
#endif

struct as {
  int x;
  struct {
    int a;
    float b;
  };
};


#if ALL || REDECLAREDCLASSMEMBER
// expected-note@+6 {{previous declaration is here}}
// expected-warning@+6 {{class member cannot be redeclared}}
#endif

namespace rcm {
  class A {
    class X;
    class X;
    class X {};
  };
}


#if ALL || FLEXIBLEARRAYUNIONMEMBER
// expected-warning@+6 {{flexible array member 'c1' in a union is a GNU extension}}
#endif

struct faum {
   int l;
   union {
       int c1[];
   };
};


#if (ALL || FOLDINGCONSTANT) && (__cplusplus <= 199711L) // C++03 or earlier modes
// expected-warning@+4 {{in-class initializer for static data member is not a constant expression; folding it to a constant is a GNU extension}}
#endif

struct fic {
  static const int B = int(0.75 * 1000 * 1000);
};


#if ALL || EMPTYSTRUCT
// expected-warning@+3 {{flexible array member 'a' in otherwise empty struct is a GNU extension}}
#endif

struct ofam {int a[];};