1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/torture/complex-alias-1.c b/gcc/testsuite/c-c++-common/torture/complex-alias-1.c
new file mode 100644
index 00000000000..cdf832d630d
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/torture/complex-alias-1.c
@@ -0,0 +1,35 @@
+/* Accesses to complex numbers were sometimes marked as scalar and
+   sometimes as struct accesses.  */
+/* { dg-do run } */
+/* { dg-options "-std=c99" { target c } } */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern void abort (void);
+#ifdef __cplusplus
+}
+#endif
+static double _Complex *fp_cxd(double _Complex *cx) {
+  return cx;
+}
+
+int main( ) {
+  double _Complex cx = 4.0 + 3.0*(__extension__ 1.0iF);
+  double _Complex cx43 = 4.0 + 3.0*(__extension__ 1.0iF);
+  double _Complex cx11 = 1.0 + 1.0*(__extension__ 1.0iF);
+
+  *fp_cxd(&cx) *= cx11;
+  *fp_cxd(&cx) /= cx11;
+
+  double r_cx = __real__(cx);
+  double i_cx = __imag__(cx);
+  double r_cx43 = __real__(cx43);
+  double i_cx43 = __imag__(cx43);
+
+  if( (r_cx == r_cx43) && (i_cx == i_cx43) ) { 
+    return 0;
+  } else {
+    abort ();
+  }
+}