1 files changed, 16 insertions, 0 deletions
diff --git a/tests/mir-opt/pre-codegen/spans.rs b/tests/mir-opt/pre-codegen/spans.rs
new file mode 100644
index 000000000..aa36648ce
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/spans.rs
@@ -0,0 +1,16 @@
+// skip-filecheck
+// Test that the comments we emit in MIR opts are accurate.
+//
+// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
+// compile-flags: -Zmir-include-spans
+
+#![crate_type = "lib"]
+
+// EMIT_MIR spans.outer.PreCodegen.after.mir
+pub fn outer(v: u8) -> u8 {
+    inner(&v)
+}
+
+pub fn inner(x: &u8) -> u8 {
+    *x
+}