1// PR c++/37146 2// { dg-do run } 3 4extern "C" void abort (); 5int a, b; 6struct A { int i:8; int j:8; int k:16; int l:32; } c; 7 8void 9f1 (int x, int y) 10{ 11 (x ? a : b) = y; 12} 13 14void 15f2 (int x, int y) 16{ 17 (x ? c.i : c.j) = y; 18} 19 20void 21f3 (int x, int y) 22{ 23 (x ? c.i : a) = y; 24} 25 26void 27f4 (int x, int y) 28{ 29 (x ? c.i : c.k) = y; 30} 31 32void 33f5 (int x, int y) 34{ 35 (x ? c.l : b) = y; 36} 37 38#define CHECK(var, exp) \ 39 do \ 40 { \ 41 if (var != exp) \ 42 abort (); \ 43 var = -1; \ 44 if (a != -1 \ 45 || b != -1 \ 46 || c.i != -1 \ 47 || c.j != -1 \ 48 || c.k != -1 \ 49 || c.l != -1) \ 50 abort (); \ 51 } \ 52 while (0) 53 54int 55main () 56{ 57 a = -1; 58 b = -1; 59 c.i = -1; 60 c.j = -1; 61 c.k = -1; 62 c.l = -1; 63 f1 (1, 264); 64 CHECK (a, 264); 65 f1 (0, 264); 66 CHECK (b, 264); 67 f2 (1, 112); 68 CHECK (c.i, 112); 69 f2 (0, 112); 70 CHECK (c.j, 112); 71 f3 (1, 26); 72 CHECK (c.i, 26); 73 f3 (0, 26); 74 CHECK (a, 26); 75 f4 (1, 107); 76 CHECK (c.i, 107); 77 f4 (0, 107); 78 CHECK (c.k, 107); 79 f5 (1, 95); 80 CHECK (c.l, 95); 81 f5 (0, 95); 82 CHECK (b, 95); 83} 84