Introduce tests for #1892

tests/test1.in

@@ -83,6 +83,11 @@ else
 end
 echo Test 4 $sta
 
+# Ensure eval doesn't unnecessarily mess with the exit status
+function empty_func ; end
+false ; eval empty_func ; echo $status
+true ; eval empty_func ; echo $status
+
 function test_builtin_status
 	return 1
 end

tests/test1.out

@@ -17,6 +17,8 @@ Test 2 pass
 Test  pass
 Test 3 pass
 Test 4 pass
+1
+0
 Test 5 pass
 Test redirections
 errput