* 20050423-1.c: Testcase for PR tree-optimization/20742.

From-SVN: r100719
2005-06-07 19:54:23 +00:00 · 2005-06-07 19:54:23 +00:00 · e699ee2475
parent 1e8552ebb2
commit e699ee2475
1 changed files with 16 additions and 0 deletions
--- a/gcc/testsuite/gcc.c-torture/compile/20050423-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20050423-1.c
@ -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;
+}