make fold ignore decl_with_vis.symtab_node

gcc/

	PR middle-end/63325
	* fold-const.c (fold_checksum_tree): Don't include
	expr.decl_with_vis.symtab_node in the checksum.

From-SVN: r219994

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d060dfae0476fcf1787c094fa367aef1ac081e04..d9c1258e22f72d2c1df25708168e18d096188600 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-01-22  Trevor Saunders  <tsaunders@mozilla.com>
+
+       PR middle-end/63325
+       * fold-const.c (fold_checksum_tree): Don't include value of
+       expr->decl_with_vis.symtab_node in the checksum.
+
 2015-01-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
        * config/s390/s390.md (atomic code attribute): Fix typo "ior" ->

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 8974dc0b91a1bda7ac1d8d45be0c89d576785018..50a987771abcb45184c309aa2ce7264296db73f2 100644 (file)
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -14073,11 +14073,12 @@ fold_checksum_tree (const_tree expr, struct md5_ctx *ctx,
   *slot = expr;
   code = TREE_CODE (expr);
   if (TREE_CODE_CLASS (code) == tcc_declaration
-      && DECL_ASSEMBLER_NAME_SET_P (expr))
+      && HAS_DECL_ASSEMBLER_NAME_P (expr))
     {
-      /* Allow DECL_ASSEMBLER_NAME to be modified.  */
+      /* Allow DECL_ASSEMBLER_NAME and symtab_node to be modified.  */
       memcpy ((char *) &buf, expr, tree_size (expr));
       SET_DECL_ASSEMBLER_NAME ((tree)&buf, NULL);
+      buf.decl_with_vis.symtab_node = NULL;
       expr = (tree) &buf;
     }
   else if (TREE_CODE_CLASS (code) == tcc_type