diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/abi/vbase10.C')
| -rw-r--r-- | gcc/testsuite/g++.dg/abi/vbase10.C | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/abi/vbase10.C b/gcc/testsuite/g++.dg/abi/vbase10.C new file mode 100644 index 000000000..b6e7f88fc --- /dev/null +++ b/gcc/testsuite/g++.dg/abi/vbase10.C @@ -0,0 +1,14 @@ +// { 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" } + |