From 9c5f324de21867249900821ed6547badefac896e Mon Sep 17 00:00:00 2001
From: Jim Blandy <jimb@red-bean.com>
Date: Thu, 13 May 2021 10:28:22 -0700
Subject: [PATCH] TypeInner::span: Tolerate bad array length constants for now.

---
 src/proc/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/proc/mod.rs b/src/proc/mod.rs
index 69b59c1716..49bab5528d 100644
--- a/src/proc/mod.rs
+++ b/src/proc/mod.rs
@@ -94,7 +94,8 @@ impl super::TypeInner {
             } => {
                 let count = match size {
                     super::ArraySize::Constant(handle) => {
-                        constants[handle].to_array_length().unwrap()
+                        // Bad array lengths will be caught during validation.
+                        constants[handle].to_array_length().unwrap_or(1)
                     }
                     // A dynamically-sized array has to have at least one element
                     super::ArraySize::Dynamic => 1,