This patch by Ben Shi to the Go frontend fixes it to support an
aliases to a pointer type as a method receiver. This fixes
https://golang.org/issue/28252. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE (revision 268369)
+++ gcc/go/gofrontend/MERGE (working copy)
@@ -1,4 +1,4 @@
-5af8ee0693944c280b1f529450dbfd4ec1ee451d
+2206f40fc1e0e1e2ba3eacb7388dd26b72729bde
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
Index: gcc/go/gofrontend/gogo.cc
===================================================================
--- gcc/go/gofrontend/gogo.cc (revision 268369)
+++ gcc/go/gofrontend/gogo.cc (working copy)
@@ -1944,6 +1944,10 @@ Gogo::start_function(const std::string&
go_assert(at_top_level);
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.
