add test case

Change-Id: Ic0453367df8032afedd048916c9292eafd75c2f3
golang · Feb 14, 2025 · 669e8aa · 669e8aa
1 parent 7534480
commit 669e8aa
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/test/escape_iface_with_devirt_type_assertions.go b/test/escape_iface_with_devirt_type_assertions.go
@@ -119,6 +119,14 @@ func t2() {
 		callA(a)    // ERROR "devirtualizing" "inlining call"
 		callIfA(a)  // ERROR "devirtualizing" "inlining call"
 	}
+
+	{
+		var a M = &Impl{} // ERROR "does not escape"
+		// Note the !ok condition, devirtualizing here is fine, as this is not going to be called.
+		if v, ok := a.(M); !ok {
+			v.M() // ERROR "devirtualizing" "inlining call"
+		}
+	}
 }
 
 func newM() M { // ERROR "can inline"