* alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.

	* cfgbuild.c (find_basic_blocks): Likewise.
	* cfgrtl.c (rtl_create_basic_block): Likewise.
	* function.c (temp_slots_at_level): Likewise.
	* reg-stack.c (stack_regs_mentioned): Likewise.
	* regclass.c (allocate_reg_info): Likewise.
	* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
	set_bb_for_stmt, move_block_to_fn): Likewise.
	* tree-complex.c (tree_lower_complex): Likewise.
	* vec.h (VEC_safe_grow_cleared): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120345 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 1 insertions, 7 deletions

diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index 49c733eb742..793c6b58ec4 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -315,16 +315,10 @@ stack_regs_mentioned (rtx insn)
   max = VEC_length (char, stack_regs_mentioned_data);
   if (uid >= max)
     {
-      char *p;
-      unsigned int old_max = max;
-
       /* Allocate some extra size to avoid too many reallocs, but
 	 do not grow too quickly.  */
       max = uid + uid / 20 + 1;
-      VEC_safe_grow (char, heap, stack_regs_mentioned_data, max);
-      p = VEC_address (char, stack_regs_mentioned_data);
-      memset (&p[old_max], 0,
-	      sizeof (char) * (max - old_max));
+      VEC_safe_grow_cleared (char, heap, stack_regs_mentioned_data, max);
     }
 
   test = VEC_index (char, stack_regs_mentioned_data, uid);