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* 20050423-1.c: Testcase for PR tree-optimization/20742.
authorspop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 7 Jun 2005 19:54:23 +0000 (19:54 +0000)
committerspop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 7 Jun 2005 19:54:23 +0000 (19:54 +0000)
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100719 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/testsuite/gcc.c-torture/compile/20050423-1.c [new file with mode: 0644]

diff --git a/gcc/testsuite/gcc.c-torture/compile/20050423-1.c b/gcc/testsuite/gcc.c-torture/compile/20050423-1.c
new file mode 100644 (file)
index 0000000..fee5eb9
--- /dev/null
@@ -0,0 +1,16 @@
+/* PR tree-optimization/20742 */
+
+int
+foo (int x, int y)
+{
+  register int a = y + 57;
+  register int b = y + 31;
+
+  while (x-- > 0)
+    {
+ #define TEN(x) x x x x x x x x x x
+      TEN (TEN (a += b; b -= a;))
+      TEN (TEN (a += b; b -= a;))
+    }
+  return a + b;
+}