re PR tree-optimization/25737 (ACATS c974001 c974013 hang with struct aliasing)

	PR tree-optimization/25737
	* testsuite/gcc.dg/tree-ssa/alias-14.c: New test.

From-SVN: r125889

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f525870328000aaa8a65c6dc253acda0c18d8b4d..4130d6a20a7c10fc2b4a6a3505aa795e2a228d81 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
+
+       PR tree-optimization/25737
+       * testsuite/gcc.dg/tree-ssa/alias-14.c: New test.
+
 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
 
        * gcc.target/i386/large-size-array-3.c: New.

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-14.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-14.c
new file mode 100644 (file)
index 0000000..a1216b7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-14.c
@@ -0,0 +1,20 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+struct s
+{
+  long long a:12;
+  long long b:12;
+  long long c:40;
+};
+
+struct s s, *p = &s;
+
+int
+main ()
+{
+  p->a = 1;
+  s.a = 0;
+  s.b = 0;
+  return p->a + s.b;
+}