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decl2.c (build_expr_from_tree): Handle COMPONENT_REFs that indicate a reference to a field that is a qualified name.

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* decl2.c (build_expr_from_tree): Handle COMPONENT_REFs that
	indicate a reference to a field that is a qualified name.

From-SVN: r26956
This commit is contained in:
Mark Mitchell 1999-05-16 23:46:40 +00:00 • committed by Mark Mitchell
parent b283d5d716
commit 74322f31ce
3 changed files with 37 additions and 4 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
1999-05-16 Mark Mitchell <mark@codesourcery.com>
* decl2.c (build_expr_from_tree): Handle COMPONENT_REFs that
indicate a reference to a field that is a qualified name.
1999-05-16 Jason Merrill <jason@yorick.cygnus.com>
* decl2.c (finish_objects): Don't use .?tors.* if we don't have

20
gcc/cp/decl2.c
View file

@ -4056,10 +4056,22 @@ build_expr_from_tree (t)
}
case COMPONENT_REF:
return build_x_component_ref
(build_expr_from_tree (TREE_OPERAND (t, 0)),
TREE_OPERAND (t, 1), NULL_TREE, 1);
{
tree object = build_expr_from_tree (TREE_OPERAND (t, 0));
tree field = TREE_OPERAND (t, 1);
/* We use a COMPONENT_REF to indicate things of the form `x.b'
and `x.A::b'. We must distinguish between those cases
here. */
if (TREE_CODE (field) == SCOPE_REF)
return build_object_ref (object,
TREE_OPERAND (field, 0),
TREE_OPERAND (field, 1));
else
return build_x_component_ref (object, field,
NULL_TREE, 1);
}
case THROW_EXPR:
return build_throw (build_expr_from_tree (TREE_OPERAND (t, 0)));

16
gcc/testsuite/g++.old-deja/g++.pt/lookup9.C Normal file
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@ -0,0 +1,16 @@
// Build don't link:
// Origin: "Artem Hodyush" <artem@duma.gov.ru>
struct B { int m; };
template< class T >
void
q( T& t ) {
t.T::m=1;
}
void f() {
B b;
b.B::m=1;
q( b );
}