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Bug 3620 – Address of member of global struct isn't constant

Status: RESOLVED
Resolution: WONTFIX
Severity: normal
Priority: P2
Component: dmd
Product: D
Version: D1 (retired)
Platform: All
OS: All
Creation time: 2009-12-16T07:10:47Z
Last change time: 2019-08-10T18:33:37Z
Keywords: rejects-valid
Assigned to: No Owner
Creator: FeepingCreature

Attachments

ID	Filename	Summary	Content-Type	Size
524	constant-global-member.patch	Make address of member of global struct constant	text/plain	600

Comments

Comment #0 by default_357-line — 2009-12-16T07:10:47Z

Created attachment 524 Make address of member of global struct constant When taking the address of a member of a global struct, as in struct S { int x; } S s; const int* p = &s.x; The above fails on 1.051 with "Error: non-constant expression &s.x" The attached patch fixes this.

Comment #1 by default_357-line — 2009-12-23T21:31:08Z

Nevermind, seems it breaks Tango .. somehow. http://www.dsource.org/projects/ldc/ticket/384 Color me confused.

Comment #2 by clugdbug — 2010-01-13T00:31:13Z

Removing 'patch' keyword since the patch is known to be incorrect.

Comment #3 by pro.mathias.lang — 2019-08-10T18:33:37Z

I don't think we can even make them constant. Not in a way that could be used in CTFE anyway (because there could be a linker script, or just PIC / PIE). So going to close this as WONTFIX.