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, 42 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr21380.c b/gcc/testsuite/gcc.c-torture/compile/pr21380.c
new file mode 100644
index 000000000..55ac08e78
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr21380.c
@@ -0,0 +1,42 @@
+void bar (void);
+                                                                                
+void
+foo (int *diff)
+{
+  double deltay = 0.0;
+  int Stangent = 0;
+  int mindiff;
+  int Sflipped = 0;
+  int i;
+  int Sturn, Snofit;
+                                                                                
+  Sturn = 1;
+  if (Sturn)
+    Stangent = 1;
+  if (Sturn)
+    {
+      Sflipped = 0;
+      Snofit = 1;
+      while (Snofit)
+        {
+          Snofit = 0;
+          mindiff = 0;
+          for (i = 0; i < 4; i++)
+            mindiff = diff[i];
+          while (!Snofit && (mindiff < 0.0))
+            {
+              deltay = (Stangent ? deltay : 0.0);
+              if (deltay < 0.0)
+                Snofit = 1;
+              for (i = 0; i < 4; i++)
+                {
+                }
+            }
+          if (Snofit)
+            if (Sflipped)
+              break;
+        }
+      if (Snofit)
+        bar ();
+    }
+}