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, 26 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/uninit-15.c b/gcc/testsuite/gcc.dg/uninit-15.c
new file mode 100644
index 000000000..20bea95ac
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-15.c
@@ -0,0 +1,26 @@
+/* PR tree-optimization/17506
+   We issue an uninitialized variable warning at a wrong location at
+   line 11, which is very confusing.  Make sure we print out a note to
+   make it less confusing.  (xfailed alternative)
+   But it is of course ok if we warn in bar about uninitialized use
+   of j.  (not xfailed alternative)  */
+/* { dg-do compile } */
+/* { dg-options "-O1 -Wuninitialized" } */
+
+inline int
+foo (int i)
+{
+  if (i) /* { dg-warning "used uninitialized in this function" "" { xfail *-*-* } } */
+    return 1;
+  return 0;
+}
+
+void baz (void);
+
+void
+bar (void)
+{
+  int j; /* { dg-message "note: 'j' was declared here" "" { xfail *-*-* } } */
+  for (; foo (j); ++j)  /* { dg-warning "'j' is used uninitialized" } */
+    baz ();
+}