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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [torture/] [pr37868.c] - Rev 399
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/* { dg-do run } */ /* { dg-options "-fno-strict-aliasing" } */ /* { dg-skip-if "unaligned access" { sparc*-*-* } "*" "" } */ /* { dg-skip-if "alignment exception" { or32*-*-* } "*" "" } */ extern void abort (void); #if (__SIZEOF_INT__ <= 2) struct X { unsigned char pad : 4; unsigned int a : 16; unsigned int b : 8; unsigned int c : 6; } __attribute__((packed)); #else struct X { unsigned char pad : 4; unsigned int a : 32; unsigned int b : 24; unsigned int c : 6; } __attribute__((packed)); #endif int main (void) { struct X x; unsigned int bad_bits; x.pad = -1; x.a = -1; x.b = -1; x.c = -1; bad_bits = ((unsigned int)-1) ^ *(1+(unsigned int *) &x); if (bad_bits != 0) abort (); return 0; }