1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/lvalue-cast-1.C b/gcc/testsuite/g++.dg/ext/lvalue-cast-1.C
new file mode 100644
index 00000000000..ebee754f069
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/lvalue-cast-1.C
@@ -0,0 +1,34 @@
+/* APPLE LOCAL file non lvalue assign */
+/* { dg-do run } */
+/* { dg-options "-fnon-lvalue-assign" } */
+
+#include <stdlib.h>
+#define CHECK_IF(expr) if (!(expr)) abort ()
+
+static int global;
+
+void f(int &) { global = 35; }
+void f(const int &) { global = 78; }
+
+long long_arr[2];
+
+int main(void) {
+
+  char *p;
+
+  (long *)p = long_arr; /* { dg-warning "target of assignment not really an lvalue" } */
+  ((long *)p)++;        /* { dg-warning "target of assignment not really an lvalue" } */
+  *(long *)p = -1;
+
+  *p = -2;
+  CHECK_IF(p[-1] == 0 && p[0] == -2 && p[1] == -1);
+
+  (long *)p += 2;  /* { dg-warning "target of assignment not really an lvalue" } */
+  (long *)p -= 2;  /* { dg-warning "target of assignment not really an lvalue" } */
+
+  long x = 0;
+  f((int)x);
+  CHECK_IF(global == 78);
+  
+  return 0;
+}