From 80e3412f4fa5f55804bd1c23dcf478f55574c907 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Wed, 7 Jan 2015 00:15:46 +0000
Subject: [PATCH] compiler: Add explicit sign to exported complex constants
 without imaginary component.

Fixes issue 31.

From-SVN: r219273
---
 gcc/go/gofrontend/expressions.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index ccb472bed30..d386b81ce17 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -2450,7 +2450,7 @@ Complex_expression::export_complex(String_dump* exp, const mpc_t val)
   if (!mpfr_zero_p(mpc_realref(val)))
     {
       Float_expression::export_float(exp, mpc_realref(val));
-      if (mpfr_sgn(mpc_imagref(val)) > 0)
+      if (mpfr_sgn(mpc_imagref(val)) >= 0)
 	exp->write_c_string("+");
     }
   Float_expression::export_float(exp, mpc_imagref(val));
-- 
2.30.2