From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Fri, 1 Feb 2019 15:00:46 +0000 (+0000)
Subject: compiler: support alias to pointer type as receiver in method declaration
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=284c00e2109c4170bd8fd6f5a6d5e2b3ba7a8d4f;p=gcc.git

compiler: support alias to pointer type as receiver in method declaration

    Fixes golang/go#27994.

    Reviewed-on: https://go-review.googlesource.com/c/160459

From-SVN: r268450
---

diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index c9d68e1d6a4..b3f7c1be481 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-2206f40fc1e0e1e2ba3eacb7388dd26b72729bde
+cbcc538adc5177778da5788d1101e16f106a1514
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/gcc/go/gofrontend/gogo.cc b/gcc/go/gofrontend/gogo.cc
index b03051c2e80..6e1f1afb80d 100644
--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -2096,12 +2096,20 @@ Gogo::declare_function(const std::string& name, Function_type* type,
       // declarations.
       Type* rtype = type->receiver()->type();
 
+      while (rtype->named_type() != NULL
+	  && rtype->named_type()->is_alias())
+	rtype = rtype->named_type()->real_type()->forwarded();
+
       // We want to look through the pointer created by the
       // parser, without getting an error if the type is not yet
       // defined.
       if (rtype->classification() == Type::TYPE_POINTER)
 	rtype = rtype->points_to();
 
+      while (rtype->named_type() != NULL
+	  && rtype->named_type()->is_alias())
+	rtype = rtype->named_type()->real_type()->forwarded();
+
       if (rtype->is_error_type())
 	return NULL;
       else if (rtype->named_type() != NULL)