From: Jason Merrill <jason@gcc.gnu.org>
Date: Mon, 20 Oct 2003 22:02:17 +0000 (-0400)
Subject: re PR c/12553 ([tree-ssa] ICE in gimplify_expr with volatiles)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d1132e0bef04e44f652a0ac5e0141022d2d77e0a;p=gcc.git

re PR c/12553 ([tree-ssa] ICE in gimplify_expr with volatiles)

        PR c/12553
        * tree.c (build1) <ADDR_EXPR>: Set TREE_SIDE_EFFECTS
        appropriately.

From-SVN: r72726
---

diff --git a/gcc/testsuite/gcc.dg/volatile1.c b/gcc/testsuite/gcc.dg/volatile1.c
new file mode 100644
index 00000000000..61a3979b704
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/volatile1.c
@@ -0,0 +1,9 @@
+/* PR c/12553: we were erroneously setting TREE_SIDE_EFFECTS on &y, which
+   confused tree-ssa.  */
+
+void f()
+{
+  int x;
+  volatile int y;
+  &x == &y;
+}