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Bug 19244 – betterC function return struct calling dtor (or not calling postblit)

Status: RESOLVED
Resolution: DUPLICATE
Severity: normal
Priority: P1
Component: dmd
Product: D
Version: D2
Platform: x86_64
OS: Windows
Creation time: 2018-09-13T19:59:41Z
Last change time: 2018-10-27T23:36:41Z
Keywords: betterC
Assigned to: No Owner
Creator: SrMordred

Comments

Comment #0 by patric.dexheimer — 2018-09-13T19:59:41Z

//flags: -betterC import core.stdc.stdio; struct T { this() { printf("postblit\n") } //not called ~this() { printf("dtor\n"); } //called twice } auto build() { T t; return t; } extern(C): void main() { auto x = build; } //output: //dtor //dtor //without -betterC dtor is called once;

Comment #1 by patric.dexheimer — 2018-09-13T22:21:28Z

This seem a little serious for me. Not sure if there is some way around this one.

Comment #2 by patric.dexheimer — 2018-09-17T20:28:50Z

Just found, its the same as https://issues.dlang.org/show_bug.cgi?id=18457

Comment #3 by iamthewilsonator — 2018-10-27T23:36:41Z

*** This issue has been marked as a duplicate of issue 18457 ***