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Bug 13239 – Code is generated for unused lazy expressions

Status: NEW
Severity: enhancement
Priority: P4
Component: dmd
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2014-08-01T19:58:19Z
Last change time: 2024-12-13T18:23:11Z
Assigned to: No Owner
Creator: Walter Bright

Comments

Comment #0 by bugzilla — 2014-08-01T19:58:19Z

Given the code: --- void log(A...)(lazy A args) { } int fun(string[] args) { log("hello " ~ args[0]); return 43; } --- Code is generated for ("hello " ~ args[0]) even though it is unused. This can cause significant unwanted code bloat.

Comment #1 by andrei — 2014-08-01T20:25:23Z

Thanks! This blocks std.logger.

Comment #2 by andrei — 2014-08-01T20:25:55Z

Test bed: http://goo.gl/6UDNzC

Comment #3 by robert.schadek — 2024-12-13T18:23:11Z

THIS ISSUE HAS BEEN MOVED TO GITHUB https://github.com/dlang/dmd/issues/18860 DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO GITHUB