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From: mcmartin@stanford.edu To: gcc-gnats@gcc.gnu.org Subject: java/8298: Incomplete enforcement of constant expressions in switch/case Date: Mon, 21 Oct 2002 00:56:00 -0000 [thread overview] Message-ID: <20021021075514.8373.qmail@sources.redhat.com> (raw) >Number: 8298 >Category: java >Synopsis: Incomplete enforcement of constant expressions in switch/case >Confidential: no >Severity: non-critical >Priority: medium >Responsible: unassigned >State: open >Class: accepts-illegal >Submitter-Id: net >Arrival-Date: Mon Oct 21 00:56:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: mcmartin@stanford.edu >Release: gcj 3.2 >Organization: >Environment: >Description: The GCJ front-end should reject this, as the cases y.a and y.b don't match the definition of ConstantExpression in section 15.28 of the JLS (as required for cases in a switch in section 14.10 of the JLS): public class test { static final int a = 1; static final int b = 2; public static void main(String[] args) { int x = 2; test y = new test(); switch(x) { case y.a: System.out.println("Equal to a"); break; case y.b: System.out.println("Equal to b"); break; default: System.out.println("Something random"); break; } } } >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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