From: Ian Lance Taylor <iant@golang.org>
Date: Sat, 3 Feb 2018 17:01:46 +0000 (+0000)
Subject: go-gcc.cc (Gcc_backend::fill_in_struct): Mark struct types as using structural equality.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3df9a1fe73b4e28cbcf9390adc4dafcd9aad5e30;p=gcc.git

go-gcc.cc (Gcc_backend::fill_in_struct): Mark struct types as using structural equality.

	* go-gcc.cc (Gcc_backend::fill_in_struct): Mark struct types as
	using structural equality.

From-SVN: r257357
---

diff --git a/gcc/go/ChangeLog b/gcc/go/ChangeLog
index 720b0e4d934..b63a969e377 100644
--- a/gcc/go/ChangeLog
+++ b/gcc/go/ChangeLog
@@ -1,3 +1,8 @@
+2018-02-03  Ian Lance Taylor  <iant@golang.org>
+
+	* go-gcc.cc (Gcc_backend::fill_in_struct): Mark struct types as
+	using structural equality.
+
 2018-02-02  Ian Lance Taylor  <iant@golang.org>
 
 	* go-gcc.cc (Gcc_backend::type_size): Return 0 for
diff --git a/gcc/go/go-gcc.cc b/gcc/go/go-gcc.cc
index 71029dd609a..61e8493d0ab 100644
--- a/gcc/go/go-gcc.cc
+++ b/gcc/go/go-gcc.cc
@@ -962,6 +962,13 @@ Gcc_backend::fill_in_struct(Btype* fill,
     }
   TYPE_FIELDS(fill_tree) = field_trees;
   layout_type(fill_tree);
+
+  // Because Go permits converting between named struct types and
+  // equivalent struct types, for which we use VIEW_CONVERT_EXPR, and
+  // because we don't try to maintain TYPE_CANONICAL for struct types,
+  // we need to tell the middle-end to use structural equality.
+  SET_TYPE_STRUCTURAL_EQUALITY(fill_tree);
+
   return fill;
 }