[SILGen]: Add test for parenthesized try expression

Author: saehejkang

validation-test/SILGen/issue-73244.swift

@@ -0,0 +1,9 @@
+// RUN: %target-swift-emit-silgen %s -verify
+
+// Check that SILGen does not crash because of a parenthesized try expression
+class Class {
+  var num: Int = 1
+
+  init() throws {}
+}
+_ = (try Class().num)