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Do not permit method expressions with pointers to interface types. 

From-SVN: r171633
This commit is contained in:
Ian Lance Taylor 2011-03-28 21:35:46 +00:00
parent 8a44512917
commit e45f44f3cf
1 changed files with 5 additions and 3 deletions
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8
gcc/go/gofrontend/expressions.cc
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@ -10263,7 +10263,7 @@ Selector_expression::lower_method_expression(Gogo* gogo)
bool is_ambiguous;
Method* method = nt->method_function(name, &is_ambiguous);
const Typed_identifier* imethod = NULL;
if (method == NULL)
if (method == NULL && !is_pointer)
{
Interface_type* it = nt->interface_type();
if (it != NULL)
@ -10273,12 +10273,14 @@ Selector_expression::lower_method_expression(Gogo* gogo)
if (method == NULL && imethod == NULL)
{
if (!is_ambiguous)
error_at(location, "type %<%s%> has no method %<%s%>",
error_at(location, "type %<%s%s%> has no method %<%s%>",
is_pointer ? "*" : "",
nt->message_name().c_str(),
Gogo::message_name(name).c_str());
else
error_at(location, "method %<%s%> is ambiguous in type %<%s%>",
error_at(location, "method %<%s%s%> is ambiguous in type %<%s%>",
Gogo::message_name(name).c_str(),
is_pointer ? "*" : "",
nt->message_name().c_str());
return Expression::make_error(location);
}