[Issue 8870] New: Incorrect values passing struct by value

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8870

           Summary: Incorrect values passing struct by value
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: turkeyman at gmail.com


--- Comment #0 from Manu <turkeyman at gmail.com> 2012-10-22 12:39:58 PDT ---
http://dpaste.dzfl.pl/82f04399

t2 is [5, 6, 5, 6] when compiled with DMD-x64. should be [5, 6, 7, 8].
extern (C) fixes the problem.

----------------------------------------------------

import std.stdio;

struct Test
{
    float x = 0;
    float y = 0;
    float z = 0;
    float w = 0;
}

void main()
{
    Test r1 = Test(1,2,3,4);
    Test r2 = Test(5,6,7,8);

    test(r1, r2, false, 1);
}

void test(Test t1, Test t2, bool someBool, float finalFloat)
{
    // at this point, t2 == { 5, 6, 5, 6 }
    writeln(t2);
}

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