From 9e0ed736065afad7da7850f508f316f2954d8960 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Wed, 27 Feb 2019 04:56:12 +0000
Subject: compiler: check duplicate numeric keys in map literals

    Updates golang/go#28104

    Reviewed-on: https://go-review.googlesource.com/c/162882

From-SVN: r269242
---
 gcc/go/gofrontend/expressions.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'gcc/go/gofrontend/expressions.h')

diff --git a/gcc/go/gofrontend/expressions.h b/gcc/go/gofrontend/expressions.h
index 86d950b..5d61b69 100644
--- a/gcc/go/gofrontend/expressions.h
+++ b/gcc/go/gofrontend/expressions.h
@@ -4163,6 +4163,10 @@ class Numeric_constant
 
   Numeric_constant& operator=(const Numeric_constant&);
 
+  // Check equality with another numeric constant.
+  bool
+  equals(const Numeric_constant&) const;
+
   // Set to an unsigned long value.
   void
   set_unsigned_long(Type*, unsigned long);
@@ -4282,6 +4286,10 @@ class Numeric_constant
   Expression*
   expression(Location) const;
 
+  // Calculate a hash code with a given seed.
+  unsigned int
+  hash(unsigned int seed) const;
+
  private:
   void
   clear();
-- 
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