From d26e01e9df416304f7d0cc425bd0290560e12fae Mon Sep 17 00:00:00 2001
From: Aris Merchant <22333129+inquisitivecrystal@users.noreply.github.com>
Date: Wed, 9 Jun 2021 01:44:06 -0700
Subject: [PATCH] Add test to prevent regression

---
 .../ui/macros/issue-86082-option-env-invalid-char.rs   | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/test/ui/macros/issue-86082-option-env-invalid-char.rs

diff --git a/src/test/ui/macros/issue-86082-option-env-invalid-char.rs b/src/test/ui/macros/issue-86082-option-env-invalid-char.rs
new file mode 100644
index 000000000000..b556b24d6aa6
--- /dev/null
+++ b/src/test/ui/macros/issue-86082-option-env-invalid-char.rs
@@ -0,0 +1,10 @@
+// check-pass
+//
+// Regression test for issue #86082
+//
+// Checks that option_env! does not panic on receiving an invalid
+// environment variable name.
+
+fn main() {
+    option_env!("\0=");
+}