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Fix gnuv3_pass_by_reference to lookup copy c-tors with qualified args. 

Before this, a copy constructor declared as in the following snippet was
not being treated as a copy constructor.

class A
{
public:
  A (A &); // OK.
  A (const A &); // Not being treated as a copy constructor because of the
                 // 'const' qualifier.
};

gdb/ChangeLog:

	PR c++/13403
	PR c++/15154
	* gnu-v3-abi.c (gnuv3_pass_by_reference): Lookup copy constructors
	with qualified args.
This commit is contained in:
Siva Chandra 2014-09-09 06:03:42 -07:00
parent 778811d5e7
commit 82c48ac732
2 changed files with 18 additions and 5 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2014-10-15 Siva Chandra Reddy <sivachandra@google.com>
PR c++/13403
PR c++/15154
* gnu-v3-abi.c (gnuv3_pass_by_reference): Lookup copy constructors
with qualified args.
2014-10-14 Joel Brobecker <brobecker@adacore.com>
* ada-lang.c (ada_evaluate_subexp) <BINOP_ADD>: Add handling

16
gdb/gnu-v3-abi.c
View File

@ -1312,11 +1312,17 @@ gnuv3_pass_by_reference (struct type *type)
/* If this method takes two arguments, and the second argument is
a reference to this class, then it is a copy constructor. */
if (TYPE_NFIELDS (fieldtype) == 2
&& TYPE_CODE (TYPE_FIELD_TYPE (fieldtype, 1)) == TYPE_CODE_REF
&& check_typedef (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (fieldtype,
1))) == type)
return 1;
if (TYPE_NFIELDS (fieldtype) == 2)
{
struct type *arg_type = TYPE_FIELD_TYPE (fieldtype, 1);
struct type *arg_target_type;
arg_target_type = check_typedef (TYPE_TARGET_TYPE (arg_type));
if (TYPE_CODE (arg_type) == TYPE_CODE_REF
&& class_types_same_p (arg_target_type, type))
return 1;
}
}
/* Even if all the constructors and destructors were artificial, one