[Issue 928] nested struct definition in unittest section of a templated class, hangs DMD

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


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

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




--- Comment #2 from Don <clugdbug at 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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