Avoid warning on Addr sp, unused on some platforms (e.g. ppc32)
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14850 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/vgdb-invoker-ptrace.c b/coregrind/vgdb-invoker-ptrace.c
index a9b79cd..bccf957 100644
--- a/coregrind/vgdb-invoker-ptrace.c
+++ b/coregrind/vgdb-invoker-ptrace.c
@@ -797,7 +797,8 @@
# else
struct user user_mod;
# endif
- Addr sp;
+ Addr sp __attribute__((unused)); // Not used on all platforms.
+
/* A specific int value is passed to invoke_gdbserver, to check
everything goes according to the plan. */
const int check = 0x8BADF00D; // ate bad food.