[PATCH 2/2] gdb/microblaze-tdep.c: fix -Wunused-but-set-variable

Fix this, seen when building with clang 14:

      CXX    microblaze-tdep.o
    /home/simark/src/binutils-gdb/gdb/microblaze-tdep.c:207:7: error: variable 'flags' set but not used [-Werror,-Wunused-but-set-variable]
      int flags = 0;
          ^

Change-Id: I59f726ed33e924912748bc475b6fd9a9394fc0d0
---
 gdb/microblaze-tdep.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c
index 5309da58cc29..e50f50d2b8c2 100644
--- a/gdb/microblaze-tdep.c
+++ b/gdb/microblaze-tdep.c
@@ -204,7 +204,6 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc,
   unsigned long insn;
   int rd, ra, rb, imm;
   enum microblaze_instr op;
-  int flags = 0;
   int save_hidden_pointer_found = 0;
   int non_stack_instruction_found = 0;
 
@@ -303,8 +302,6 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc,
 	{
 	  /* We have a frame pointer.  Note the register which is 
 	     acting as the frame pointer.  */
-	  flags |= MICROBLAZE_MY_FRAME_IN_FP;
-	  flags &= ~MICROBLAZE_MY_FRAME_IN_SP;
 	  cache->fp_regnum = rd;
 	  microblaze_debug ("Found a frame pointer: r%d\n", cache->fp_regnum);
 	  save_hidden_pointer_found = 0;
-- 
2.33.1