[gcc r13-3151] remove dead variables

[Martin Liska <marxin@gcc.gnu.org>]

https://gcc.gnu.org/g:bd0e35188f2a40a428314ad10e10ab5b0926f935

commit r13-3151-gbd0e35188f2a40a428314ad10e10ab5b0926f935
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Oct 7 10:10:30 2022 +0200

    remove dead variables
    
    Remove unused variables that are modified but not used.
    
    gcc/ChangeLog:
    
            * auto-profile.cc (get_inline_stack): Remove unused variable.
    
    gcc/objc/ChangeLog:
    
            * objc-gnu-runtime-abi-01.cc (generate_static_references):
            Remove unused variable.

Diff:
---
 gcc/auto-profile.cc                 | 2 --
 gcc/objc/objc-gnu-runtime-abi-01.cc | 6 +++---
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/gcc/auto-profile.cc b/gcc/auto-profile.cc
index 6533722817f..ca48404eaf1 100644
--- a/gcc/auto-profile.cc
+++ b/gcc/auto-profile.cc
@@ -388,7 +388,6 @@ get_inline_stack (location_t locus, inline_stack *stack)
   tree block = LOCATION_BLOCK (locus);
   if (block && TREE_CODE (block) == BLOCK)
     {
-      int level = 0;
       for (block = BLOCK_SUPERCONTEXT (block);
            block && (TREE_CODE (block) == BLOCK);
            block = BLOCK_SUPERCONTEXT (block))
@@ -401,7 +400,6 @@ get_inline_stack (location_t locus, inline_stack *stack)
           stack->safe_push (
               std::make_pair (decl, get_combined_location (locus, decl)));
           locus = tmp_locus;
-          level++;
         }
     }
   stack->safe_push (
diff --git a/gcc/objc/objc-gnu-runtime-abi-01.cc b/gcc/objc/objc-gnu-runtime-abi-01.cc
index 94133146d8f..e76c486927e 100644
--- a/gcc/objc/objc-gnu-runtime-abi-01.cc
+++ b/gcc/objc/objc-gnu-runtime-abi-01.cc
@@ -1852,7 +1852,7 @@ generate_static_references (void)
   tree class_name, klass, decl;
   tree cl_chain, in_chain, type
     = build_array_type (build_pointer_type (void_type_node), NULL_TREE);
-  int num_inst, num_class;
+  int num_class;
   char buf[BUFSIZE];
   vec<constructor_elt, va_gc> *decls = NULL;
 
@@ -1861,8 +1861,8 @@ generate_static_references (void)
     {
       vec<constructor_elt, va_gc> *v = NULL;
 
-      for (num_inst = 0, in_chain = TREE_PURPOSE (cl_chain);
-	   in_chain; num_inst++, in_chain = TREE_CHAIN (in_chain));
+      for (in_chain = TREE_PURPOSE (cl_chain);
+	   in_chain; in_chain = TREE_CHAIN (in_chain));
 
       snprintf (buf, BUFSIZE, "_OBJC_STATIC_INSTANCES_%d", num_class);
       decl = start_var_decl (type, buf);