[Issue 8283] New: backend/cod1.c 1677, related to structs with constructors (?)

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8283

           Summary: backend/cod1.c 1677, related to structs with
                    constructors (?)
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: code at klickverbot.at


--- Comment #0 from klickverbot <code at klickverbot.at> 2012-06-22 08:46:53 PDT ---
The following test case was reduced from code passing a core.time.Duration
using std.concurrency:
---
struct Foo {
    this(long) {}
}

struct FooContainer {
    Foo value;
}

auto get() {
    union Buf { FooContainer result; }
    Buf buf = {};
    return buf.result;
}

void writerThread() {
    auto a = get();
}
---

DMD 3bfac139 (on OS X) fails with: Internal error: backend/cod1.c 1677


In the original much larger test case, the error was different, although
probably related (I'll re-test it once this version has been addressed):
---
el:0x1008c5d70 cnt=0 cs=0 call  8 TYstruct 0x1008a27d0 0x1008aad70
 el:0x1008a27d0 cnt=0 cs=0 var  TYD func 
_D3std7variant17__T8VariantNVm32Z8VariantN37__T3getTS4file20FlushIntervalMessageZ3getMFNdNeZS4file20FlushIntervalMessage
 el:0x1008aad70 cnt=0 cs=0 +  TY* 0x1008c6a30 0x1008aabf0
  el:0x1008c6a30 cnt=1 cs=0 var  TY*  this
  el:0x1008aabf0 cnt=0 cs=0 const  TYuns long long 8LL 
Internal error: backend/cod1.c 3235
---

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