PR jit/63854: Fix leak in tree-ssa-math-opts.c

gcc/ChangeLog:
	PR jit/63854
	* tree-ssa-math-opts.c (execute_cse_sincos_1): Fix a missing
	release of stmts by converting it to an auto_vec.

From-SVN: r218230

gcc/ChangeLog

+2014-12-01  David Malcolm  <dmalcolm@redhat.com>
+
+	PR jit/63854
+	* tree-ssa-math-opts.c (execute_cse_sincos_1): Fix a missing
+	release of stmts by converting it to an auto_vec.
+
 2014-12-01  Richard Biener  <rguenther@suse.de>
 
 	* Makefile.in (gimple-match.o-warn): Use -Wno-unused instead of

gcc/tree-ssa-math-opts.c

@@ -740,7 +740,7 @@ execute_cse_sincos_1 (tree name)
   tree fndecl, res, type;
   gimple def_stmt, use_stmt, stmt;
   int seen_cos = 0, seen_sin = 0, seen_cexpi = 0;
-  vec<gimple> stmts = vNULL;
+  auto_vec<gimple> stmts;
   basic_block top_bb = NULL;
   int i;
   bool cfg_changed = false;
@@ -773,10 +773,7 @@ execute_cse_sincos_1 (tree name)
     }
 
   if (seen_cos + seen_sin + seen_cexpi <= 1)
-    {
-      stmts.release ();
-      return false;
-    }
+    return false;
 
   /* Simply insert cexpi at the beginning of top_bb but not earlier than
      the name def statement.  */
@@ -835,8 +832,6 @@ execute_cse_sincos_1 (tree name)
 	  cfg_changed = true;
     }
 
-  stmts.release ();
-
   return cfg_changed;
 }