From 8ca387d6dee264b78cede6da366407cb276842bf Mon Sep 17 00:00:00 2001
From: Sylvain Munaut <tnt@246tNt.com>
Date: Wed, 15 Nov 2023 21:14:24 +0100
Subject: [PATCH] eval_tree: Properly support struct fields in get_array_info

Fixes #1032

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
---
 eval_tree.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/eval_tree.cc b/eval_tree.cc
index b9e0ccdda..df8680d73 100644
--- a/eval_tree.cc
+++ b/eval_tree.cc
@@ -2176,6 +2176,13 @@ static bool get_array_info(const NetExpr*arg, long dim,
 	    left = param->expr_width() - 1;
 	    right = 0;
 	    return false;
+      }
+      if (const NetESelect*select = dynamic_cast<const NetESelect*>(arg)) {
+	    const netranges_t&dim_vals = select->net_type()->slice_dimensions();
+	    const netrange_t&range = dim_vals[dim-1];
+	    left = range.get_msb();
+	    right = range.get_lsb();
+	    return false;
       }
 	/* The argument must be a signal that has enough dimensions. */
       const NetESignal*esig = dynamic_cast<const NetESignal*>(arg);