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, 30 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/20010124-1.c b/gcc/testsuite/gcc.c-torture/execute/builtins/20010124-1.c
new file mode 100644
index 000000000..816287344
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/20010124-1.c
@@ -0,0 +1,30 @@
+/* Verify that structure return doesn't invoke memcpy on 
+   overlapping objects.  */
+
+extern void abort (void);
+
+struct S {
+  char stuff[1024];
+};
+
+union U {
+  struct {
+    int space;
+    struct S s;
+  } a;
+  struct {
+    struct S s;
+    int space;
+  } b;
+};
+
+struct S f(struct S *);
+void g(union U *);
+
+void main_test(void)
+{
+  union U u;
+  u.b.s = f(&u.a.s);
+  u.a.s = f(&u.b.s);
+  g(&u);
+}