[Issue 6215] ICE(el.c) DMD segfaults when built on system with XCode 4.2

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6215



--- Comment #2 from Robert Clipsham <robert at octarineparrot.com> 2011-06-26 19:33:46 BST ---
The following patch is a workaround, it seems something's going wrong with the
elem recycling system:
----
diff --git a/src/backend/el.c b/src/backend/el.c
index f5fa66d..9cc34fc 100644
--- a/src/backend/el.c
+++ b/src/backend/el.c
@@ -195,6 +195,7 @@ elem *el_calloc()
     static elem ezero;

     elcount++;
+#if 0
     if (nextfree)
     {   e = nextfree;
         nextfree = e->E1;
@@ -209,6 +210,9 @@ elem *el_calloc()
     eprm_cnt++;
 #endif
     *e = ezero;                         /* clear it             */
+#else
+    e = (elem *)mem_fmalloc(sizeof(elem));
+#endif

 #ifdef DEBUG
     e->id = IDelem;
----
If you print e and *e, *e is NULL, hence the segfault when assigned to.

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