From 4f47ee198a5b396edf932fa5d13afb71b6746ff0 Mon Sep 17 00:00:00 2001
From: Radek Simko <radek.simko@gmail.com>
Date: Fri, 25 Jan 2019 13:45:53 +0000
Subject: [PATCH] hcl/hclsyntax: Fix token range reporting for invalid
 characters

---
 hcl/hclsyntax/token.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hcl/hclsyntax/token.go b/hcl/hclsyntax/token.go
index f28211d..f92a409 100644
--- a/hcl/hclsyntax/token.go
+++ b/hcl/hclsyntax/token.go
@@ -189,6 +189,9 @@ func checkInvalidTokens(tokens Tokens) hcl.Diagnostics {
 	toldBadUTF8 := 0
 
 	for _, tok := range tokens {
+		// copy token so it's safe to point to it
+		tok := tok
+
 		switch tok.Type {
 		case TokenBitwiseAnd, TokenBitwiseOr, TokenBitwiseXor, TokenBitwiseNot:
 			if toldBitwise < 4 {