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, 16 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/alias-2.c b/gcc/testsuite/gcc.dg/alias-2.c
new file mode 100644
index 000000000..d507416b0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/alias-2.c
@@ -0,0 +1,16 @@
+// { dg-do compile }
+// { dg-options "-Wstrict-aliasing=2 -fstrict-aliasing" }
+
+struct foo {
+  char c;
+  char d;
+  short s;
+  int i;
+} bar;
+
+int
+sub1 (long long int foobar)
+{
+  struct foo *tmp = (struct foo *) &foobar; // { dg-warning "type-punned pointer might" "" }
+  return tmp->i;
+}