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re PR c++/26577 (ICE in cp_expr_size with volatile and non POD)

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PR c++/26577
        * call.c (build_new_method_call): Force evaluation of the
        instance pointer, not the object.

From-SVN: r115105
This commit is contained in:
Jason Merrill 2006-06-30 16:48:42 -04:00 committed by Jason Merrill
parent 17a9fbc457
commit 481ac1e929
3 changed files with 24 additions and 2 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2006-06-30 Jason Merrill <jason@redhat.com>
PR c++/26577
* call.c (build_new_method_call): Force evaluation of the
instance pointer, not the object.
2006-06-30 Kazu Hirata <kazu@codesourcery.com>
* decl2.c: Fix a comment typo.

4
gcc/cp/call.c
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@ -5501,9 +5501,9 @@ build_new_method_call (tree instance, tree fns, tree args,
none-the-less evaluated. */
if (TREE_CODE (TREE_TYPE (fn)) != METHOD_TYPE
&& !is_dummy_object (instance_ptr)
&& TREE_SIDE_EFFECTS (instance))
&& TREE_SIDE_EFFECTS (instance_ptr))
call = build2 (COMPOUND_EXPR, TREE_TYPE (call),
instance, call);
instance_ptr, call);
}
}
}

16
gcc/testsuite/g++.dg/init/volatile1.C Normal file
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@ -0,0 +1,16 @@
// PR c++/26577
// The call to bar() was causing an inappropriate dereference of *this,
// which led to an abort in cp_expr_size.
struct A
{
A(const A&);
A& operator=(const A&);
static void bar();
void baz() volatile;
};
void A::baz() volatile
{
bar();
}