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, 28 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr39394.c b/gcc/testsuite/gcc.c-torture/compile/pr39394.c
new file mode 100644
index 000000000..325a08ff4
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr39394.c
@@ -0,0 +1,28 @@
+/* PR tree-optimization/39394 */
+
+char *p;
+int x;
+
+static inline void
+f1 (int n)
+{
+  asm volatile ("" : "=m" (*(struct { char x[n]; } *) p));
+}
+
+static inline void
+f2 (void)
+{
+  x ? f1 (1) : f1 (2);
+}
+
+static inline void
+f3 (void)
+{
+  f2 ();
+}
+
+void
+f4 (void)
+{
+  f3 ();
+}