* gcc.dg/lto/20110201-1_0.c: Provide dummy sqrt.

From-SVN: r177593

gcc/testsuite/ChangeLog

+2011-08-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* gcc.dg/lto/20110201-1_0.c: Provide dummy sqrt.
+
 2011-08-09  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.target/i386/sse-22a.c: New test.

gcc/testsuite/gcc.dg/lto/20110201-1_0.c

@@ -16,4 +16,14 @@ foo (_Complex double x, int b)
     x = 0;
   return cabs(x);
 }
+
+/* We provide a dummy sqrt to avoid link failures on targets that do not
+   expand sqrt inline.  Note that we do not link against libm in order
+   to ensure cabs is not satisfied by the library, but must be folded.  */
+double __attribute__((used))
+sqrt (double x)
+{
+  return x;
+}
+
 int main() { return 0; }