Add test

Author: Changqing-JING

tests/compiler/override-typeparam-mismatch.json

@@ -2,6 +2,7 @@
   "asc_flags": [],
   "stderr": [
     "TS2515: Non-abstract class 'override-typeparam-mismatch/CC' does not implement inherited abstract member 'foo' from 'override-typeparam-mismatch/I'.",
+    "TS2515: Non-abstract class 'override-typeparam-mismatch/DD' does not implement inherited abstract member 'bar' from 'override-typeparam-mismatch/J'.",
     "EOF"
   ]
 }

tests/compiler/override-typeparam-mismatch.ts

@@ -11,4 +11,17 @@ class CC implements I {
 let c:I = new CC();
 c.foo(1);
 
+interface J {
+  bar(x: i32): i32;
+}
+
+class DD implements J {
+  bar<T>(x: i32): i32 {
+    return x;
+  }
+}
+
+let dd:DD = new DD();
+dd.bar<i32>(1);
+
 ERROR("EOF");