From 71856902b87505ff8ab6845533b598bffe5333bb Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@golang.org>
Date: Sat, 21 Aug 2021 12:42:19 -0700
Subject: [PATCH] compiler: correct condition for calling memclrHasPointers

When compiling append(s, make([]typ, ln)...), where typ has a pointer,
and the append fits within the existing capacity of s, the condition
used to clear out the new elements was reversed.

Fixes golang/go#47771

Change-Id: Ia880adc08ab723afe3f927e65c9e081f9f717f90
---

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 8d4d168..ddb1d91 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -9350,7 +9350,7 @@
               ref2 = Expression::make_cast(uint_type, ref2, loc);
               cond = Expression::make_binary(OPERATOR_GT, ref, ref2, loc);
               zero = Expression::make_integer_ul(0, int_type, loc);
-              call = Expression::make_conditional(cond, call, zero, loc);
+              call = Expression::make_conditional(cond, zero, call, loc);
             }
         }
       else