1 files changed, 7 insertions, 0 deletions
diff --git a/tests/ui/env-macro/name-whitespace-issue-110547.rs b/tests/ui/env-macro/name-whitespace-issue-110547.rs
new file mode 100644
index 00000000000..2acfb2e671e
--- /dev/null
+++ b/tests/ui/env-macro/name-whitespace-issue-110547.rs
@@ -0,0 +1,7 @@
+//@ compile-flags: -C debug-assertions
+
+fn main() {
+    env!{"\t"}; //~ ERROR not defined at compile time
+    env!("\t"); //~ ERROR not defined at compile time
+    env!("\u{2069}"); //~ ERROR not defined at compile time
+}