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[Bug c++/52791] New: structure should always be returned by passing a hidden argument with ms_abi, x86_64
- From: "piotr at codeweavers dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 30 Mar 2012 15:31:01 +0000
- Subject: [Bug c++/52791] New: structure should always be returned by passing a hidden argument with ms_abi, x86_64
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52791
Bug #: 52791
Summary: structure should always be returned by passing a
hidden argument with ms_abi, x86_64
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: piotr@codeweavers.com
Created attachment 27044
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27044
program that demonstrates the problem
Even if structure returned by function is small it should be passed as hidden
argument, pointer to it should be returned when ms_abi is used.
I've attached a program that demonstrates this problem.