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, 38 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/20031215-1.c b/gcc/testsuite/gcc.c-torture/execute/20031215-1.c
new file mode 100644
index 000000000..d62177b26
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20031215-1.c
@@ -0,0 +1,38 @@
+/* PR middle-end/13400 */
+/* The following test used to fail at run-time with a write to read-only
+   memory, caused by if-conversion converting a conditional write into an
+   unconditional write.  */
+
+typedef struct {int c, l; char ch[3];} pstr;
+const pstr ao = {2, 2, "OK"};
+const pstr * const a = &ao;
+
+void test1(void)
+{
+    if (a->ch[a->l]) {
+        ((char *)a->ch)[a->l] = 0;
+    }
+}
+
+void test2(void)
+{
+    if (a->ch[a->l]) {
+        ((char *)a->ch)[a->l] = -1;
+    }
+}
+
+void test3(void)
+{
+    if (a->ch[a->l]) {
+        ((char *)a->ch)[a->l] = 1;
+    }
+}
+
+int main(void)
+{
+    test1();
+    test2();
+    test3();
+    return 0;
+}
+