From 1c338c4951587b4281ffb87ebc78a401c99fc558 Mon Sep 17 00:00:00 2001
From: Pam Selle <pam@hashicorp.com>
Date: Wed, 11 Sep 2019 09:36:24 -0400
Subject: [PATCH] Add source addressing to make error more useful

This commit was generated from hashicorp/terraform#22760.
---
 terraform/eval_for_each.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/terraform/eval_for_each.go b/terraform/eval_for_each.go
index c2c9d74a3ee..43a61478b57 100644
--- a/terraform/eval_for_each.go
+++ b/terraform/eval_for_each.go
@@ -21,6 +21,7 @@ func evaluateResourceForEachExpression(expr hcl.Expression, ctx EvalContext) (fo
 			Severity: hcl.DiagError,
 			Summary:  "Invalid forEach argument",
 			Detail:   `The "for_each" value depends on resource attributes that cannot be determined until apply, so Terraform cannot predict how many instances will be created. To work around this, use the -target argument to first apply only the resources that the for_each depends on.`,
+			Subject:  expr.Range().Ptr(),
 		})
 	}
 	return forEachMap, diags