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Bug 5942 – Bitfields are overwritten erroneously

Status: RESOLVED
Resolution: FIXED
Severity: normal
Priority: P2
Component: phobos
Product: D
Version: D2
Platform: Other
OS: Linux
Creation time: 2011-05-07T04:03:00Z
Last change time: 2013-10-05T08:17:46Z
Assigned to: rtcvb32
Creator: samukha

Comments

Comment #0 by samukha — 2011-05-07T04:03:20Z

struct S { mixin(bitfields!( int, "a" , 32, int, "b" , 32 )); } void main() { S data; data.b = 42; data.a = 1; assert(data.b == 42); // fail } Looks like assigning fields at offsets < 32 bit clears fields at offsets >= 32 bit.

Comment #1 by rtcvb32 — 2012-08-01T08:08:03Z

resolving issues 6686 and 8474 resolve this problem. Once pull is accepted, this will be resolved. http://d.puremagic.com/issues/show_bug.cgi?id=6686 http://d.puremagic.com/issues/show_bug.cgi?id=8474

Comment #2 by code — 2013-10-05T08:17:46Z

https://github.com/D-Programming-Language/phobos/pull/1613