Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/pr51628-3.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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/* PR c/51628. */ /* { dg-do compile } */ /* { dg-options "-O" } */ struct pair_t { int x; int i; } __attribute__((packed, aligned (2))); extern struct pair_t p; extern int *x; extern void bar (int *); int *addr = &p.i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ int * foo (void) { struct pair_t arr[2] = { { 1, 10 }, { 2, 20 } }; int *p0, *p1; p0 = &arr[0].i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ bar (p0); p1 = &arr[1].i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ bar (p1); bar (&p.i); /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ x = &p.i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ return &p.i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ }