- Rewrite patch for BZ 175270, BZ 175083 so as to catch the exception

earlier.
- Remove too-fragile testcases from patches for CFA value and "S"
    augmentation.

gdb-6.3-gstack-without-path-20060414.patch

@@ -1,7 +1,8 @@
 Index: gdb-6.3/gdb/gstack.sh
---- gdb-6.3/gdb/gstack.sh	2006-01-16 16:41:13.000000000 +0000
-+++ gdb-6.3/gdb/gstack.sh	2006-02-02 09:22:12.000000000 +0000
-@@ -17,17 +17,17 @@
+===================================================================
+--- gdb-6.3.orig/gdb/gstack.sh	2006-02-14 17:21:05.000000000 -0200
++++ gdb-6.3/gdb/gstack.sh	2006-04-14 03:17:12.000000000 -0300
+@@ -17,17 +17,17 @@ fi
  backtrace="bt"
  if test -d /proc/$1/task ; then
      # Newer kernel; has a task/ directory.
@@ -22,7 +23,7 @@ Index: gdb-6.3/gdb/gstack.sh
  
  if $GDB -nx --quiet --batch --readnever > /dev/null 2>&1; then
      readnever=--readnever
-@@ -39,7 +39,7 @@
+@@ -39,7 +39,7 @@ fi
  $GDB --quiet $readnever -nx /proc/$1/exe $1 <<EOF 2>&1 | 
  $backtrace
  EOF