re PR rtl-optimization/48381 (internal compiler error: in check_allocation, at ira.c:2094)

	PR rtl-optimization/48381
	* gcc.c-torture/compile/pr48381.c: New test.

From-SVN: r173427

gcc/testsuite/ChangeLog

+2011-05-05  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/48381
+	* gcc.c-torture/compile/pr48381.c: New test.
+
 2011-05-05  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.target/i386/opt-1.c: Add --param min-insn-to-prefetch -ratio=0

gcc/testsuite/gcc.c-torture/compile/pr48381.c

+/* PR rtl-optimization/48381 */
+
+struct S { int s; } t;
+
+int baz (void);
+void fn (int, unsigned, int, unsigned, char);
+
+static char
+foo (signed x, unsigned y)
+{
+  return x < 0 || y >= 32 ? 1 : x >> y;
+}
+
+long long
+bar (long long x, long y)
+{
+  return y < 0 ? 1LL : x - y;
+}
+
+void
+test (int x, unsigned y, unsigned z, char w)
+{
+  unsigned v[2];
+  fn (w || baz (), y, t.s, y, foo (bar (z, w) <= v[0], x));
+}