obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 49 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/Wcxx-compat-4.c b/gcc/testsuite/gcc.dg/Wcxx-compat-4.c
new file mode 100644
index 000000000..a294ffe0b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Wcxx-compat-4.c
@@ -0,0 +1,49 @@
+/* { dg-do compile } */
+/* { dg-options "-Wc++-compat" } */
+enum E1 { A, B, C };
+enum E2 { D, E, F };
+
+enum E1 g1;
+enum E2 g2;
+
+void
+f1 ()
+{
+  int a;
+  int d;
+  enum E1 e1;
+  enum E2 e2;
+  a = A;
+  a = !B;
+  d = E;
+  e1 = A;
+  e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  e1 = 0;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  e1 = (enum E1) 0;
+  e1 = (enum E2) 0;	/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  e1 = e2;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  e1 = g1;
+  e1 = g2;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  e2 = A;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  e2 = D;
+}
+
+struct s { enum E1 e1 : 3; };
+
+void
+f2 (struct s sv)
+{
+  sv.e1 = A;
+  sv.e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  g1 = sv.e1;
+  g2 = sv.e1;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+}
+
+void
+f3 (struct s *pv)
+{
+  pv->e1 = A;
+  pv->e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  g1 = pv->e1;
+  g2 = pv->e1;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+}