From e956429166632c68785a17be44b649ae6205bfb0 Mon Sep 17 00:00:00 2001
From: Ken Thompson <ken@golang.org>
Date: Wed, 10 Dec 2008 13:28:46 -0800
Subject: [PATCH] string hash function faults w empty string fixes maps[""]

R=r
OCL=20909
CL=20911
---
 src/runtime/runtime.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/runtime/runtime.c b/src/runtime/runtime.c
index 3d0ee7f1e6..c075181a02 100644
--- a/src/runtime/runtime.c
+++ b/src/runtime/runtime.c
@@ -583,6 +583,8 @@ static uint64
 stringhash(uint32 s, string *a)
 {
 	USED(s);
+	if(*a == nil)
+		return memhash(emptystring->len, emptystring->str);
 	return memhash((*a)->len, (*a)->str);
 }
 
-- 
2.48.1