julec: add support for throw statements in scope optimizer

Author: mertcandav

src/julec/opt/scope.jule

@@ -997,6 +997,8 @@ impl scopeOptimizer {
 			self.optimizeRet(stmt.(&sema::Ret))
 		| &sema::Postfix:
 			self.optimizePostfix(stmt.(&sema::Postfix))
+		| &sema::Throw:
+			self.optimizeValue(stmt.(&sema::Throw).Error)
 		|:
 			// no-op
 		}