SOURCES: gcc-pr23402.patch (NEW) - fix ICE with zero sized structs.

[pluto]

Author: pluto                        Date: Tue Aug 16 19:31:53 2005 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- fix ICE with zero sized structs.

---- Files affected:
SOURCES:
   gcc-pr23402.patch (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/gcc-pr23402.patch
diff -u /dev/null SOURCES/gcc-pr23402.patch:1.1
--- /dev/null	Tue Aug 16 21:31:53 2005
+++ SOURCES/gcc-pr23402.patch	Tue Aug 16 21:31:48 2005
@@ -0,0 +1,33 @@
+--- gcc-4.1-20050815T0803UTC/gcc/gimplify.c	2005-08-16 19:35:38.541525608 +0000
++++ gcc-4.1-20050815T0803UTC/gcc/gimplify.c	2005-08-16 19:36:46.005269560 +0000
+@@ -2552,6 +2552,17 @@ zero_sized_field_decl (tree fdecl)
+   return false;
+ }
+ 
++/* Return true if TYPE is zero sized.  */
++   
++static bool
++zero_sized_type (tree type)
++{
++  if (AGGREGATE_TYPE_P (type) && TYPE_SIZE (type)
++      && integer_zerop (TYPE_SIZE (type)))
++    return true;
++  return false;
++}
++
+ /* A subroutine of gimplify_init_constructor.  Generate individual
+    MODIFY_EXPRs for a CONSTRUCTOR.  OBJECT is the LHS against which the
+    assignments should happen.  ELTS is the CONSTRUCTOR_ELTS of the
+@@ -2964,6 +2975,12 @@ gimplify_modify_expr_rhs (tree *expr_p, 
+ 			  tree *post_p, bool want_value)
+ {
+   enum gimplify_status ret = GS_OK;
++  tree type = TREE_TYPE (*from_p);
++  if (zero_sized_type (type))
++    {
++      *expr_p = build_empty_stmt ();
++      return GS_ALL_DONE;
++    }
+ 
+   while (ret != GS_UNHANDLED)
+     switch (TREE_CODE (*from_p))
================================================================