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/compile/pr34648.c b/gcc/testsuite/gcc.c-torture/compile/pr34648.c
new file mode 100644
index 000000000..8bcdae050
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr34648.c
@@ -0,0 +1,38 @@
+/* PR tree-optimization/34648 */
+
+/* { dg-options "-fexceptions" } */
+
+extern const unsigned short int **bar (void) __attribute__ ((const));
+const char *a;
+int b;
+char c;
+
+char
+foo (int *x)
+{
+  char r;
+
+  c = '\0';
+  if (!b)
+    {
+      while (((*bar ())[a[*x]] & 0x2000) != 0)
+        (*x)++;
+      if (a[++(*x)] == '-')
+        {
+          (*x)++;
+          if (a[*x] && !((*bar ())[a[*x]] & 0x2000))
+            return '?';
+        }
+      if (!a[*x] || ((*bar ())[a[*x]] & 0x2000))
+        {
+          while (((*bar ())[a[*x]] & 0x2000))
+            ++(*x);
+          return '\0';
+        }
+    }
+
+  r = a[*x];
+  b = a[*x] && !((*bar ())[a[*x]] & 0x2000);
+  return r;
+}
+