diff options
| author | Markus Trippelsdorf <markus@trippelsdorf.de> | 2015-09-09 16:34:59 +0000 |
|---|---|---|
| committer | Markus Trippelsdorf <trippels@gcc.gnu.org> | 2015-09-09 16:34:59 +0000 |
| commit | 1842a04ce06a470b731bc9a29bfec17e6e147c3f (patch) | |
| tree | d7242b5c767c60e428b06eec2e0a7d94bbbb6465 /gcc | |
| parent | 34bc1d225c5041a789f3fc9386a43148f24c0446 (diff) | |
| download | gcc-1842a04ce06a470b731bc9a29bfec17e6e147c3f.zip gcc-1842a04ce06a470b731bc9a29bfec17e6e147c3f.tar.gz gcc-1842a04ce06a470b731bc9a29bfec17e6e147c3f.tar.bz2 | |
Fix sanitizer/67258 by cherry picking upstream patch
PR sanitizer/67258
* ubsan/ubsan_type_hash.cc: Cherry pick upstream r244101.
Upstraem patch:
commit 1d2477faafda9ad2cc19927b3c31efd22747f013
Author: Alexey Samsonov <vonosmas@gmail.com>
Date: Wed Aug 5 19:35:46 2015 +0000
[UBSan] Fix UBSan-vptr false positive.
Offset from vptr to the start of most-derived object can actually
be positive in some virtual base class vtables.
Patch by Stephan Bergmann!
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@244101 91177308-0d34-0410-b5e6-96231b3b80d8
From-SVN: r227591
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/g++.dg/ubsan/vptr-10.C | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ubsan/vptr-10.C b/gcc/testsuite/g++.dg/ubsan/vptr-10.C new file mode 100644 index 0000000..e05c33b --- /dev/null +++ b/gcc/testsuite/g++.dg/ubsan/vptr-10.C @@ -0,0 +1,15 @@ +// { dg-do run } +// { dg-options "-fsanitize=vptr -fno-sanitize-recover=vptr" } + +struct A +{ + virtual ~A() {} +}; +struct B : virtual A {}; +struct C : virtual A {}; +struct D : B, virtual C {}; + +int main() +{ + D d; +} |