fixes #1539

tests/ccgbugs/tmissingvolatile.nim

@@ -0,0 +1,20 @@
+discard """
+  output: "1"
+  cmd: r"nim c --hints:on $options -d:release $file"
+  ccodecheck: "'NI volatile state;'"
+"""
+
+# bug #1539
+
+proc err() =
+  raise newException(Exception, "test")
+
+proc main() =
+  var state: int
+  try:
+    state = 1
+    err()
+  except:
+    echo state
+
+main()