Fix various memory leaks

	* gimple-ssa-strength-reduction.c (create_phi_basis):
	Use auto_vec.
	* passes.c (release_dump_file_name): New function.
	(pass_init_dump_file): Used from this function.
	(pass_fini_dump_file): Likewise.
	* tree-sra.c (convert_callers_for_node): Use xstrdup_for_dump.
	* var-tracking.c (vt_initialize): Use pool_allocator.

From-SVN: r230152

1 files changed, 14 insertions, 5 deletions

diff --git a/gcc/passes.c b/gcc/passes.c
index 7a10cb6..dd8d00a 100644
--- a/gcc/passes.c
+++ b/gcc/passes.c
@@ -2058,6 +2058,18 @@ verify_curr_properties (function *fn, void *data)
   gcc_assert ((fn->curr_properties & props) == props);
 }
 
+/* Release dump file name if set.  */
+
+static void
+release_dump_file_name (void)
+{
+  if (dump_file_name)
+    {
+      free (CONST_CAST (char *, dump_file_name));
+      dump_file_name = NULL;
+    }
+}
+
 /* Initialize pass dump file.  */
 /* This is non-static so that the plugins can use it.  */
 
@@ -2071,6 +2083,7 @@ pass_init_dump_file (opt_pass *pass)
       gcc::dump_manager *dumps = g->get_dumps ();
       bool initializing_dump =
 	!dumps->dump_initialized_p (pass->static_pass_number);
+      release_dump_file_name ();
       dump_file_name = dumps->get_dump_file_name (pass->static_pass_number);
       dumps->dump_start (pass->static_pass_number, &dump_flags);
       if (dump_file && current_function_decl)
@@ -2098,11 +2111,7 @@ pass_fini_dump_file (opt_pass *pass)
   timevar_push (TV_DUMP);
 
   /* Flush and close dump file.  */
-  if (dump_file_name)
-    {
-      free (CONST_CAST (char *, dump_file_name));
-      dump_file_name = NULL;
-    }
+  release_dump_file_name ();
 
   g->get_dumps ()->dump_finish (pass->static_pass_number);
   timevar_pop (TV_DUMP);