From 967b254be1e60b4cb21c8e55a7f4b0346149b3ec Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Sat, 13 Dec 2014 01:41:49 +0000
Subject: [PATCH] re PR go/61254 (gccgo: spurious "error: slice end must be
 integer" [GoSmith])

	PR go/61254
compiler: Don't move nil subexpressions into temporaries.

From-SVN: r218701
---
 gcc/go/gofrontend/statements.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/go/gofrontend/statements.cc b/gcc/go/gofrontend/statements.cc
index 5b8c2e73fc7..6094e5c684b 100644
--- a/gcc/go/gofrontend/statements.cc
+++ b/gcc/go/gofrontend/statements.cc
@@ -677,7 +677,8 @@ Move_subexpressions::expression(Expression** pexpr)
 {
   if (this->skip_ > 0)
     --this->skip_;
-  else if ((*pexpr)->temporary_reference_expression() == NULL)
+  else if ((*pexpr)->temporary_reference_expression() == NULL
+	   && !(*pexpr)->is_nil_expression())
     {
       Location loc = (*pexpr)->location();
       Temporary_statement* temp = Statement::make_temporary(NULL, *pexpr, loc);