From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Tue, 6 Jan 2015 02:27:02 +0000 (+0000)
Subject: compiler: Use function receiver name in mangled named type descriptor.
X-Git-Tag: upstream/12.2.0~57771
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5e731d2d164d8d31646d44d61a10e9150e090809;p=platform%2Fupstream%2Fgcc.git

compiler: Use function receiver name in mangled named type descriptor.

If named types with similar names are defined inside of methods
with similar names, it was possible that the mangled type names would be
the same, leading to multiple definitions of type descriptor and
garbage collection info variables.
This can only occur with similarly named methods across different
receivers, so we use the receiver name to distinguish.

Fixes issue 33.

From-SVN: r219214
---

diff --git a/gcc/go/gofrontend/types.cc b/gcc/go/gofrontend/types.cc
index fbcce7f..f9877fa 100644
--- a/gcc/go/gofrontend/types.cc
+++ b/gcc/go/gofrontend/types.cc
@@ -1296,6 +1296,14 @@ Type::type_descriptor_var_name(Gogo* gogo, Named_type* nt)
       ret.append(1, '.');
       if (in_function != NULL)
 	{
+	  const Typed_identifier* rcvr =
+	    in_function->func_value()->type()->receiver();
+	  if (rcvr != NULL)
+	    {
+	      Named_type* rcvr_type = rcvr->type()->deref()->named_type();
+	      ret.append(Gogo::unpack_hidden_name(rcvr_type->name()));
+	      ret.append(1, '.');
+	    }
 	  ret.append(Gogo::unpack_hidden_name(in_function->name()));
 	  ret.append(1, '.');
 	  if (index > 0)
@@ -9170,6 +9178,14 @@ Named_type::do_mangled_name(Gogo* gogo, std::string* ret) const
       name.append(1, '.');
       if (this->in_function_ != NULL)
 	{
+	  const Typed_identifier* rcvr =
+	    this->in_function_->func_value()->type()->receiver();
+	  if (rcvr != NULL)
+	    {
+	      Named_type* rcvr_type = rcvr->type()->deref()->named_type();
+	      name.append(Gogo::unpack_hidden_name(rcvr_type->name()));
+	      name.append(1, '.');
+	    }
 	  name.append(Gogo::unpack_hidden_name(this->in_function_->name()));
 	  name.append(1, '$');
 	  if (this->in_function_index_ > 0)