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, 22 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/torture/pr31115.c b/gcc/testsuite/gcc.dg/torture/pr31115.c
new file mode 100644
index 000000000..1395a34b3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr31115.c
@@ -0,0 +1,22 @@
+/* { dg-do run } */
+
+extern void exit(int);
+extern void abort();
+void foo (int e1)
+{
+  if (e1 < 0)
+    {
+      e1 = -e1;
+      if (e1 >>= 4)
+        {
+          if (e1 >= 1 << 5)
+            exit(0);
+        }
+    }
+}
+
+int main()
+{
+  foo(-(1<<9));
+  abort();
+}