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re PR sanitizer/61272 ([UBSAN] ICE in is_ubsan_builtin_p(tree_node*), gcc/ubsan.c:534)

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PR sanitizer/61272
	* ubsan.c (is_ubsan_builtin_p): Turn assert into a condition.

	* g++.dg/ubsan/pr61272.C: New test.

From-SVN: r210723
This commit is contained in:
Marek Polacek 2014-05-21 19:07:30 +00:00 committed by Marek Polacek
parent 2893958996
commit 1edb7356d5
4 changed files with 37 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-05-21 Marek Polacek <polacek@redhat.com>
PR sanitizer/61272
* ubsan.c (is_ubsan_builtin_p): Turn assert into a condition.
2014-05-21 Martin Jambor <mjambor@suse.cz>
* doc/invoke.texi (Optimize Options): Document parameters

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2014-05-21 Marek Polacek <polacek@redhat.com>
PR sanitizer/61272
* g++.dg/ubsan/pr61272.C: New test.
2014-05-21 Cesar Philippidis <cesar@codesourcery.com>
Sandra Loosemore <sandra@codesourcery.com>

24
gcc/testsuite/g++.dg/ubsan/pr61272.C Normal file
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@ -0,0 +1,24 @@
// PR sanitizer/61272
// { dg-do compile }
// { dg-options "-fsanitize=undefined -std=c++11" }
namespace std
{
template < typename _Tp > class allocator;
template < typename _Alloc > struct allocator_traits {
private:
template < typename _Tp > auto construct ( _Alloc & __a, _Tp * __p)-> // { dg-error "is private" }
decltype (_S_construct (__a, __p)) { }
};
namespace __gnu_cxx
{
template < typename _Alloc > struct __alloc_traits:std::allocator_traits < _Alloc > // { dg-error "within this context" }
{
typedef std::allocator_traits < _Alloc > _Base_type;
using _Base_type::construct;
};
template < typename _Tp, typename _Alloc > struct _Vector_base { typedef typename __gnu_cxx::__alloc_traits < _Alloc >::template rebind < _Tp >::other _Tp_alloc_type; }; // { dg-error "no class template" }
template < typename _Tp, typename _Alloc = std::allocator < _Tp > >class vector : protected _Vector_base < _Tp, _Alloc > { };
template < typename NumberT > struct Point2d { };
typedef Point2d < int >GdsPoint;
class GdsPointList : public vector < GdsPoint > {};}}

6
gcc/ubsan.c
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@ -531,9 +531,9 @@ ubsan_instrument_unreachable (location_t loc)
bool
is_ubsan_builtin_p (tree t)
{
gcc_checking_assert (TREE_CODE (t) == FUNCTION_DECL);
return strncmp (IDENTIFIER_POINTER (DECL_NAME (t)),
"__builtin___ubsan_", 18) == 0;
return TREE_CODE (t) == FUNCTION_DECL
&& strncmp (IDENTIFIER_POINTER (DECL_NAME (t)),
"__builtin___ubsan_", 18) == 0;
}
/* Expand UBSAN_NULL internal call. */