http://d.puremagic.com/issues/show_bug.cgi?id=928

           Summary: nested struct definition in unittest section of a
                    templated class, hangs DMD
           Product: D
           Version: 1.004
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla@digitalmars.com
        ReportedBy: dkm4i1@gmail.com


The following code seems to make the compiler do some endless loop, because of the TestType definition.

______________________________________________________

void main()
{
    MinHeap!(int) foo = new MinHeap!(int)();
}

class MinHeap(NodeType)
{
    unittest
    {
        struct TestType {}
        MinHeap!(TestType) foo = new MinHeap!(TestType)();
    }
}


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http://d.puremagic.com/issues/show_bug.cgi?id=928


thomas-dloop@kuehne.cn changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         OS/Version|Windows                     |All




------- Comment #1 from thomas-dloop@kuehne.cn  2007-04-05 11:33 -------
Added to DStress as http://dstress.kuehne.cn/run/u/unittest_11_A.d http://dstress.kuehne.cn/run/u/unittest_11_B.d http://dstress.kuehne.cn/run/u/unittest_11_C.d


-- 

http://d.puremagic.com/issues/show_bug.cgi?id=928


Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch
                 CC|                            |clugdbug@yahoo.com.au




--- Comment #2 from Don <clugdbug@yahoo.com.au>  2009-08-12 11:29:31 PDT ---
Straightforward patch. This is just a copy-and-paste of the code for the other
recursive template expansion checks.
Patch against DMD 2.031.

Index: template.c ===================================================================
--- template.c    (revision 194)
+++ template.c    (working copy)
@@ -3592,7 +3592,27 @@

     if (sc->func || dosemantic3)
     {
+#if WINDOWS_SEH
+  __try
+  {
+#endif
+    if (++nest > 500)
+    {
+    global.gag = 0;            // ensure error message gets printed
+    error("recursive expansion");
+    fatal();
+    }
     semantic3(sc2);
+    --nest;
+#if WINDOWS_SEH
+  }
+  __except (__ehfilter(GetExceptionInformation()))
+  {
+    global.gag = 0;            // ensure error message gets printed
+    error("recursive expansion");
+    fatal();
+  }
+#endif
     }

   Laftersemantic:

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla@digitalmars.com
         Resolution|                            |FIXED


--- Comment #3 from Walter Bright <bugzilla@digitalmars.com> 2009-10-13 13:49:58 PDT ---
Fixed dmd 1.049

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