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| author | Mark Mitchell <mark@codesourcery.com> | 2002-10-22 05:04:48 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2002-10-22 05:04:48 +0000 |
| commit | 7ba539c6661a5388eaa28eeae37fd7f1d24eb660 (patch) | |
| tree | 4b99387bab5f35027f255ee22e338f0031a4d558 /gcc/testsuite/g++.dg/abi | |
| parent | 5e26e5a278abef7e0b5df09fcf54de6915fd4497 (diff) | |
| download | gcc-7ba539c6661a5388eaa28eeae37fd7f1d24eb660.zip gcc-7ba539c6661a5388eaa28eeae37fd7f1d24eb660.tar.gz gcc-7ba539c6661a5388eaa28eeae37fd7f1d24eb660.tar.bz2 | |
class.c (empty_base_at_nonzero_offset_p): New function.
* class.c (empty_base_at_nonzero_offset_p): New function.
(layout_nonempty_base_or_field): Do not check for conflicts when
laying out a virtual base using the GCC 3.2 ABI.
(build_base_field): Correct checking for presence of empty classes
at non-zero offsets when clearing CLASSTYPE_NEARLY_EMPTY_P.
* g++.dg/abi/vbase13.C: New test.
* g++.dg/abi/vbase14.C: Likewise.
From-SVN: r58397
Diffstat (limited to 'gcc/testsuite/g++.dg/abi')
| -rw-r--r-- | gcc/testsuite/g++.dg/abi/vbase13.C | 17 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/abi/vbase14.C | 6 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/abi/vbase13.C b/gcc/testsuite/g++.dg/abi/vbase13.C new file mode 100644 index 0000000..6a0bff4 --- /dev/null +++ b/gcc/testsuite/g++.dg/abi/vbase13.C @@ -0,0 +1,17 @@ +// { dg-do run } +// { dg-options "-fabi-version=0 -w" } + +struct E1 {}; +struct E2 : public E1 {}; +struct E : public E1, public E2 {}; +struct N : public E { virtual void f () {} }; + +struct X : virtual public N { +}; + +int main () { + X x; + /* N should not be the primary base of X; it is not nearly empty. */ + if ((void*)&x == (void*)(N*)&x) + return 1; +} diff --git a/gcc/testsuite/g++.dg/abi/vbase14.C b/gcc/testsuite/g++.dg/abi/vbase14.C new file mode 100644 index 0000000..99290b8 --- /dev/null +++ b/gcc/testsuite/g++.dg/abi/vbase14.C @@ -0,0 +1,6 @@ +// { dg-options "-Wabi" } + +struct E1 {}; +struct E2 : public E1 {}; // { dg-warning "layout" } +struct E : public E1, public E2 {}; // { dg-warning "layout|ambiguity" } +struct N : public E { virtual void f () {} }; // { dg-warning "nearly" } |