| // { dg-do compile } |
| // -fpack-struct is necessary because the code below assumes the initial |
| // packing is larger than 1, which cannot ge guaranteed for all targets. |
| // { dg-options "-Wabi -fabi-version=1 -fpack-struct=8" } |
| // On ARM processors, the alignment of B will be 4 even though it |
| // contains only a single "char". That would avoids the situation |
| // that the warning below is designed to catch. We therefore |
| // explicitly set the default structure alignment to 1. |
| // { dg-options "-Wabi -fabi-version=1 -mstructure-size-boundary=8" { target arm*-*-* } } |
| |
| struct A { virtual void f(); char c1; }; |
| struct B { B(); char c2; }; |
| struct C : public A, public virtual B {}; // { dg-warning "ABI" } |
| |
