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re PR c++/49569 (-std=gnu++0x causes segmentation fault)

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PR c++/49569
	* method.c (implicitly_declare_fn): Set DECL_PARM_LEVEL and
	DECL_PARM_INDEX on rhs parm.

From-SVN: r175738
This commit is contained in:
Jason Merrill 2011-06-30 20:03:58 -04:00 committed by Jason Merrill
parent 98ff399662
commit e2c17be05b
4 changed files with 33 additions and 2 deletions
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4
gcc/cp/ChangeLog
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@ -1,5 +1,9 @@
2011-06-30 Jason Merrill <jason@redhat.com>
PR c++/49569
* method.c (implicitly_declare_fn): Set DECL_PARM_LEVEL and
DECL_PARM_INDEX on rhs parm.
* pt.c (iterative_hash_template_arg): Use cp_tree_operand_length.
PR c++/49355

7
gcc/cp/method.c
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@ -1528,8 +1528,11 @@ implicitly_declare_fn (special_function_kind kind, tree type, bool const_p)
/* Note that this parameter is *not* marked DECL_ARTIFICIAL; we
want its type to be included in the mangled function
name. */
DECL_ARGUMENTS (fn) = cp_build_parm_decl (NULL_TREE, rhs_parm_type);
TREE_READONLY (DECL_ARGUMENTS (fn)) = 1;
tree decl = cp_build_parm_decl (NULL_TREE, rhs_parm_type);
TREE_READONLY (decl) = 1;
retrofit_lang_decl (decl);
DECL_PARM_INDEX (decl) = DECL_PARM_LEVEL (decl) = 1;
DECL_ARGUMENTS (fn) = decl;
}
/* Add the "this" parameter. */
this_parm = build_this_parm (fn_type, TYPE_UNQUALIFIED);

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2011-06-30 Jason Merrill <jason@redhat.com>
PR c++/49569
* g++.dg/cpp0x/regress/ctor1.C: New.
PR c++/49355
* g++.dg/cpp0x/initlist54.C: New.

21
gcc/testsuite/g++.dg/cpp0x/regress/ctor1.C Normal file
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@ -0,0 +1,21 @@
// PR c++/49569
// { dg-options -std=c++0x }
struct A
{
virtual void f() = 0;
};
struct B: A
{
int i;
virtual void f() { }
};
struct C
{
B b;
C(): b() { }
C(const B& b): b(b) { }
};