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Re: fix another obscure nested function bug

On Dec 18, 2004, at 1:37 PM, Roger Sayle wrote:

On Sat, 18 Dec 2004, Richard Henderson wrote:

* stor-layout.c (layout_decl): Unshare size expressions copied from the type.

Index: stor-layout.c
RCS file: /cvs/gcc/gcc/gcc/stor-layout.c,v
retrieving revision 1.218
diff -c -p -d -u -r1.218 stor-layout.c
--- stor-layout.c	9 Dec 2004 10:54:36 -0000	1.218
+++ stor-layout.c	18 Dec 2004 19:16:56 -0000
@@ -325,8 +325,8 @@ layout_decl (tree decl, unsigned int kno

   if (DECL_SIZE (decl) == 0)
-      DECL_SIZE (decl) = TYPE_SIZE (type);
-      DECL_SIZE_UNIT (decl) = TYPE_SIZE_UNIT (type);
+      DECL_SIZE (decl) = unsave_expr (TYPE_SIZE (type));
+      DECL_SIZE_UNIT (decl) = unsave_expr (TYPE_SIZE_UNIT (type));
   else if (DECL_SIZE_UNIT (decl) == 0)
     DECL_SIZE_UNIT (decl)

Unfortunately, this change breaks bootstrap. The function unsave_expr was deleted from mainline by Eric Christopher's patch back in July.

I think he had meant unshare_expr and not unsave_expr.

-- Pinski

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