1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cast-qual-1.c b/gcc/testsuite/gcc.dg/cast-qual-1.c
new file mode 100644
index 000000000..407d138d1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cast-qual-1.c
@@ -0,0 +1,30 @@
+/* Incorrect `cast discards `const'' warnings.  There should be warnings
+   in bad_cast and bad_assign; bad_assign gets the correct warning, but
+   good_cast may get the warning instead of bad_cast.
+   gcc 2.7.2.3 passes, egcs-1.1.2 and egcs-ss-19990428 fail.
+   http://gcc.gnu.org/ml/gcc-bugs/1998-08/msg00645.html */
+/* { dg-do compile } */
+/* { dg-options "-Wcast-qual" } */
+void
+good_cast(const void *bar)
+{
+  (char *const *)bar; /* { dg-bogus "cast discards" "discarding `const' warning" } */
+}
+
+void
+bad_cast(const void *bar)
+{
+  (const char **)bar; /* { dg-warning "cast discards" "discarding `const' warning" } */
+}
+
+void
+good_assign(const void *bar)
+{
+  char *const *foo = bar; /* { dg-bogus "initialization discards" "discarding `const' warning" } */
+}
+
+void
+bad_assign(const void *bar)
+{
+  const char **foo = bar; /* { dg-warning "initialization discards" "discarding `const' warning" } */
+}