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, 71 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/debug/20020224-1.c b/gcc/testsuite/gcc.dg/debug/20020224-1.c
new file mode 100644
index 000000000..968b5655b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/debug/20020224-1.c
@@ -0,0 +1,71 @@
+/* { dg-options "-g3 -O" } */
+/* { dg-do compile } */
+
+/* Here's the deal: f4 is inlined into main, f3 is inlined into f4, f2 is
+   inlined into f1. The DIE of main should contain DW_TAG_inlined_subroutines
+   children for f4, f3, f2 and f1. Also, there should be a DIE representing
+   and out of line instance of f4, aside the DIE representing its abstract
+   instance.
+   We used to fail to emit debugging info for t1, because it was moved
+   inside the (inlined) block of f1, marked as abstract, then we'd crash.  */
+
+#define UNUSED __attribute__((unused))
+#define EXT __extension__
+
+int undef(void);
+
+inline static void
+f1 (int i UNUSED)
+{
+}
+
+inline static void
+f2 (void)
+{
+  f1 (EXT ({ int t1 UNUSED; undef (); }));
+}
+
+inline static void
+f3 (void)
+{
+  int v1 UNUSED;
+  int v2 UNUSED;
+
+  EXT ({ int t2 UNUSED; if (0) undef (); 0; })
+    && EXT ({ int t3 UNUSED; if (0) undef (); 0; });
+
+  if (1)
+    {
+      undef ();
+      if (1)
+        f2 ();
+    }
+
+  {
+    undef ();
+  }
+}
+
+inline static void
+f4 (void)
+{
+  EXT ({ undef (); 1; }) && EXT ({ int t4 UNUSED = ({ 1; }); 1; });
+
+  { }
+
+  EXT ({ int t5 UNUSED; if (0) undef (); 0; });
+
+  f4 ();
+
+  undef ();
+  f3 ();
+
+  return;
+}
+
+int
+main ()
+{
+    int foo = 1;
+    f4 ();
+}