[gcc r13-2662] Drop unused variable

[Jan-Benedict Glaw]

https://gcc.gnu.org/g:1457be6dbd78e1fd2f84584e020f9a2b3803181a

commit r13-2662-g1457be6dbd78e1fd2f84584e020f9a2b3803181a
Author: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Date:   Wed Sep 14 14:16:52 2022 +0200

    Drop unused variable
    
    With the "STABS: remove -gstabs and -gxcoff functionality" patch, a left-over
    `start` variable remained unused:
    
    /usr/lib/gcc-snapshot/bin/g++  -fno-PIE -c   -g -O2   -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE   -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common  -DHAVE_CONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libcody  -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/dpd -I../libdecnumber -I../../gcc/gcc/../libbacktrace   -o mips.o -MT mips.o -MMD -MP -MF ./.deps/mips.TPo ../../gcc/gcc/config/mips/mips.cc
    ../../gcc/gcc/config/mips/mips.cc: In function 'void mips_option_override()':
    ../../gcc/gcc/config/mips/mips.cc:20021:10: error: unused variable 'start' [-Werror=unused-variable]
    20021 |   int i, start, regno, mode;
          |          ^~~~~
    
    2022-09-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
    
    gcc/
            * config/mips/mips.cc (mips_option_override): Drop unused variable.

Diff:
---
 gcc/config/mips/mips.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/mips/mips.cc b/gcc/config/mips/mips.cc
index 47724950c3e..387376b3df8 100644
--- a/gcc/config/mips/mips.cc
+++ b/gcc/config/mips/mips.cc
@@ -20018,7 +20018,7 @@ mips_set_tune (const struct mips_cpu_info *info)
 static void
 mips_option_override (void)
 {
-  int i, start, regno, mode;
+  int i, regno, mode;
 
   if (OPTION_SET_P (mips_isa_option))
     mips_isa_option_info = &mips_cpu_info_table[mips_isa_option];