From caa511fdfa952a7fff177e3f4963ec4e1f3f9166 Mon Sep 17 00:00:00 2001
From: Jim Wilson <wilson@cygnus.com>
Date: Fri, 25 Aug 2000 21:32:05 +0000
Subject: Fix x86-x-ia64 abort while compiling glibc ldbl2mpn.c.

	* function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.

From-SVN: r35991
---
 gcc/function.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'gcc/function.c')

diff --git a/gcc/function.c b/gcc/function.c
index 8687bcd..8ce2d4e 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -2834,7 +2834,12 @@ gen_mem_addressof (reg, decl)
 	fixup_var_refs (reg, GET_MODE (reg), TREE_UNSIGNED (type), 0);
     }
   else
-    fixup_var_refs (reg, GET_MODE (reg), 0, 0);
+    {
+      /* We have no alias information about this newly created MEM.  */
+      MEM_ALIAS_SET (reg) = 0;
+
+      fixup_var_refs (reg, GET_MODE (reg), 0, 0);
+    }
 
   return reg;
 }
-- 
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