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Diffstat (limited to 'gcc/testsuite/g++.dg/inherit/covariant7.C')
-rw-r--r-- | gcc/testsuite/g++.dg/inherit/covariant7.C | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/inherit/covariant7.C b/gcc/testsuite/g++.dg/inherit/covariant7.C new file mode 100644 index 000000000..4f0c7f7dd --- /dev/null +++ b/gcc/testsuite/g++.dg/inherit/covariant7.C @@ -0,0 +1,51 @@ +// { dg-do compile } +// { dg-prune-output "direct base" } +// { dg-options "-fdump-class-hierarchy" } + +// Copyright (C) 2002 Free Software Foundation, Inc. +// Contributed by Nathan Sidwell 27 Dec 2002 <nathan@codesourcery.com> + +// We ICE'd + +struct c0 {}; + +struct c1 : virtual c0 +{ + virtual c0 &f2() volatile; +}; + +struct c2 +{ + int m; +}; + +struct c3 : virtual c0, virtual c1, c2 +{ + virtual c1 &f2() volatile; +}; + +struct c4 : virtual c3, virtual c0, virtual c1 +{ + int m; +}; + +struct c6 : c0, c3, c4 +{ + virtual c1 &f2() volatile; +}; + +// f2 appears four times in the c6 vtables: +// once in c1-in-c3-in-c6 - covariant, virtual base, uses c1 vcall offset and c0 vbase offset +// { dg-final { scan-tree-dump "24 .*c6::_ZTcv0_n16_v0_n12_NV2c62f2Ev" "class" { target ilp32 } } } +// { dg-final { scan-tree-dump "48 .*c6::_ZTcv0_n32_v0_n24_NV2c62f2Ev" "class" { target lp64 } } } +// once in c3-in-c6 - non-covariant, non-virtual base, calls f2 directly +// { dg-final { scan-tree-dump "28 .*c6::f2" "class" { target ilp32 } } } +// { dg-final { scan-tree-dump "56 .*c6::f2" "class" { target lp64 } } } +// once in c1-in-c3-in-c4-in-c6 - lost primary +// { dg-final { scan-tree-dump "80 .*0u" "class" { target ilp32 } } } +// { dg-final { scan-tree-dump "160 .*0u" "class" { target lp64 } } } +// once in c3-in-c4-in-c6 - c3 vcall offset +// { dg-final { scan-tree-dump "84 .*c6::_ZTv0_n16_NV2c62f2Ev" "class" { target ilp32 } } } +// { dg-final { scan-tree-dump "168 .*c6::_ZTv0_n32_NV2c62f2Ev" "class" { target lp64 } } } + +// { dg-final { cleanup-tree-dump "class" } } |