Merge pull request #277 from SoniEx2/polymorphic

Test that throw is polymorphic

Author: titzer

test/core/throw.wast

@@ -20,6 +20,10 @@
 
   (func (export "throw-param-f64") (param f64) (local.get 0) (throw $e-f64))
 
+  (func (export "throw-polymorphic") (throw $e0) (throw $e-i32))
+
+  (func (export "throw-polymorphic-block") (block (result i32) (throw $e0)) (throw $e-i32))
+
   (func $throw-1-2 (i32.const 1) (i32.const 2) (throw $e-i32-i32))
   (func (export "test-throw-1-2")
     (try
@@ -42,6 +46,9 @@
 (assert_exception (invoke "throw-param-i64" (i64.const 5)))
 (assert_exception (invoke "throw-param-f64" (f64.const 5.0)))
 
+(assert_exception (invoke "throw-polymorphic"))
+(assert_exception (invoke "throw-polymorphic-block"))
+
 (assert_return (invoke "test-throw-1-2"))
 
 (assert_invalid (module (func (throw 0))) "unknown tag 0")